{"id":234858,"date":"2023-07-28T13:59:37","date_gmt":"2023-07-28T06:59:37","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=234858"},"modified":"2025-10-19T10:09:07","modified_gmt":"2025-10-19T03:09:07","slug":"cach-giai-rubik-3x3","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/cach-giai-rubik-3x3\/","title":{"rendered":"C\u00e1ch Gi\u1ea3i Rubik 3×3: H\u01b0\u1edbng D\u1eabn Chi Ti\u1ebft A-Z Cho Ng\u01b0\u1eddi M\u1edbi B\u1eaft \u0110\u1ea7u"},"content":{"rendered":"

Rubik lu\u00f4n l\u00e0 tr\u00f2 ch\u01a1i<\/a> “hack n\u00e3o” nh\u01b0ng k\u00edch th\u00edch t\u01b0 duy r\u1ea5t t\u1ed1t. Tuy nhi\u00ean, m\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n khi gi\u1ea3i kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng sau khi ho\u00e0n th\u00e0nh m\u1eb7t \u0111\u1ea7u ti\u00ean. C\u00f3 nhi\u1ec1u c\u00e1ch gi\u1ea3i Rubik 3×3, hay n\u00e2ng cao h\u01a1n l\u00e0 c\u00e1ch gi\u1ea3i Rubik 4×4, th\u1eadm ch\u00ed ch\u1ec9 trong v\u00e0i b\u01b0\u1edbc. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u c\u00e1c c\u00e1ch h\u00f3a gi\u1ea3i c\u00e1c kh\u1ed1i Rubik xo\u1eafn n\u00e3o \u1edf b\u00e0i vi\u1ebft n\u00e0y nh\u00e9.\u00a0<\/strong><\/p>\n

Kh\u1ed1i Rubik l\u00e0 g\u00ec? L\u1ecbch s\u1eed h\u00ecnh th\u00e0nh kh\u1ed1i Rubik<\/h2>\n

Kh\u1ed1i Rubik l\u00e0 m\u00f3n \u0111\u1ed3 ch\u01a1i ph\u1ed5 bi\u1ebfn. N\u00f3 \u0111\u01b0\u1ee3c ra \u0111\u1eddi v\u00e0o n\u0103m 1974, b\u1edfi nh\u00e0 ph\u00e1t minh ng\u01b0\u1eddi Hungary Erno Rubik. Ng\u01b0\u1eddi ta c\u0169ng l\u1ea5y t\u00ean c\u1ee7a \u00f4ng \u0111\u1ec3 \u0111\u1eb7t cho t\u00ean tr\u00f2 ch\u01a1i n\u00e0y. Khi \u00f4ng ph\u00e1t minh ra n\u00f3, \u00f4ng c\u00f2n kh\u00f4ng ch\u1eafc n\u00f3 c\u00f3 th\u1ec3 gi\u1ea3i \u0111\u01b0\u1ee3c. Nh\u1eefng h\u00ecnh kh\u1ed1i \u0111\u00e3 \u0111\u01b0\u1ee3c b\u00e1n t\u1ea1i c\u00e1c c\u1eeda h\u00e0ng \u0111\u1ed3 ch\u01a1i \u1edf Budapest v\u00e0o n\u0103m 1977. Sau \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c mua l\u1ea1i b\u1edfi c\u00f4ng ty \u0111\u1ed3 ch\u01a1i M\u1ef9 Ideal Toys. Ideal \u0111\u00e3 \u0111\u1ed5i t\u00ean kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng th\u00e0nh kh\u1ed1i Rubik \u0111\u1ec3 t\u00f4n vinh v\u00e0o n\u0103m 1980 \u0111\u1ec3 t\u00f4n vinh \u00f4ng.<\/p>\n

\"cac-cach-giai-rubik-3x3-don-gian-nhu-dang-gion-1\"<\/picture>
Kh\u1ed1i Rubik<\/figcaption><\/figure>\n

Sau n\u00e0y, m\u00f3n \u0111\u1ed3 ch\u01a1i n\u00e0y tr\u1edf n\u00ean c\u1ef1c k\u1ef3 ph\u1ed5 bi\u1ebfn trong th\u1eadp k\u1ef7 ti\u1ebfp theo v\u00e0 lan r\u1ed9ng sang c\u00e1c n\u01b0\u1edbc kh\u00e1c, b\u1ea5t k\u1ec3 l\u00e0 ch\u00e2u \u00c1 hay ch\u00e2u \u00c2u. N\u0103m 2003, World Cube Association – Hi\u1ec7p h\u1ed9i Rubik Th\u1ebf gi\u1edbi ra \u0111\u1eddi. T\u1ed5 ch\u1ee9c n\u00e0y l\u00e0 \u0111\u1ea1i di\u1ec7n cho c\u00e1c gi\u1ea3i \u0111\u1ea5u tro\u0300 ch\u01a1i tri\u0301 tu\u00ea\u0323<\/a> no\u0301i chung c\u0169ng nh\u01b0 Rubik no\u0301i ri\u00eang. \u0110\u00e2y c\u0169ng l\u00e0 n\u01a1i nh\u1eefng ai \u0111am m\u00ea Rubik c\u00f9ng nhau chia s\u1ebb b\u00ed k\u00edp c\u00e1ch gi\u1ea3i Rubik 3×3 c\u0169ng nh\u01b0 nh\u1eefng m\u1eb9o gi\u1ea3i tr\u00f2 ch\u01a1i t\u01b0 duy kh\u00e1c.<\/p>\n

Nh\u00e0 khoa h\u1ecdc nh\u1eadn th\u1ee9c Douglas Hofstadter \u0111\u00e3 t\u1eebng ph\u00e1t bi\u1ec3u trong m\u1ed9t b\u00e0i chia s\u1ebb n\u0103m 1981 r\u1eb1ng \u201cRubik kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i x\u1ebfp h\u00ecnh\u201d. \u0110\u00e2y l\u00e0 tr\u00f2 ch\u01a1i kh\u00f4ng ch\u1ec9 gi\u00fap ng\u01b0\u1eddi ch\u01a1i v\u1eeba gi\u1ea3i tr\u00ed, m\u00e0 n\u00f3 c\u00f2n k\u00edch th\u00edch ph\u00e1t tri\u1ec3n t\u01b0 duy v\u00e0 tr\u00ed tu\u1ec7.<\/p>\n

C\u00e1c ki\u1ec3u Rubik kh\u00e1c nhau<\/h2>\n

Kh\u1ed1i Rubik c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng v\u00e0 kh\u1ed1i h\u00ecnh d\u1ea1ng \u0111\u1eb7c bi\u1ec7t. Nhi\u1ec1u c\u00e1 nh\u00e2n v\u00e0 c\u00f4ng ty \u0111\u00e3 t\u1ea1o ra nh\u1eefng th\u1eed th\u00e1ch kh\u00f3 h\u01a1n cho c\u00e1c kh\u1ed1i Rubik ban \u0111\u1ea7u b\u1eb1ng c\u00e1ch s\u1eeda \u0111\u1ed5i h\u00ecnh d\u1ea1ng ch\u00fang. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t rong nh\u1eefng Rubik ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n

    \n
  • 2\u00d72: c\u00f2n g\u1ecdi l\u00e0 kh\u1ed1i Rubik b\u1ecf t\u00fai. N\u00f3 ch\u1ec9 c\u00f3 b\u1ed1n h\u00ecnh vu\u00f4ng tr\u00ean m\u1ed7i m\u1eb7t. Tuy nh\u1ecf, nh\u01b0ng n\u00f3 c\u00f3 h\u01a1n 3,5 tri\u1ec7u ho\u00e1n v\u1ecb c\u00e1ch xoay.<\/li>\n
  • 3×3: kh\u1ed1i Rubik c\u1ed5 \u0111i\u1ec3n, c\u0169ng l\u00e0 kh\u1ed1i ph\u1ed5 bi\u1ebfn nh\u1ea5t. M\u1ed7i m\u1eb7t kh\u1ed1i 3×3 bao g\u1ed3m 9 \u00f4, v\u1edbi s\u00e1u m\u00e0u kh\u00e1c nhau. Th\u00f4ng th\u01b0\u1eddng c\u00e1ch gi\u1ea3i Rubik 3×3 c\u0169ng l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 gi\u1ea3i c\u00e1c kh\u1ed1i Rubik ph\u1ee9c t\u1ea1p h\u01a1n.<\/li>\n
  • 4×4: kh\u1ed1i Rubik b\u00e1o th\u00f9. N\u00f3 g\u1ed3m 56 kh\u1ed1i gh\u00e9p, trong \u0111\u00f3 c\u00f3 8 kh\u1ed1i g\u00f3c, 24 kh\u1ed1i c\u1ea1nh v\u00e0 24 kh\u1ed1i m\u1eb7t.<\/li>\n
  • Pyraminx: hay c\u00f2n g\u1ecdi l\u00e0 Rubik t\u1ee9 di\u1ec7n\/Rubik Kim t\u1ef1 th\u00e1p. N\u00f3 c\u00f3 h\u00ecnh tam gi\u00e1c, 4 m\u1eb7t, 6 kh\u1ed1i c\u1ea1nh v\u00e0 4 kh\u1ed1i c\u1ea7u \u0111\u1ec3 n\u1ed1i c\u1ea1nh v\u00e0 v\u00e0 \u0111\u1ec9nh kh\u1ed1i.<\/li>\n
  • Skewb: hay c\u00f2n g\u1ecdi l\u00e0 Rubik b\u00e1t di\u1ec7n. N\u00f3 c\u00f3 t\u00e1m g\u00f3c v\u00e0 s\u00e1u t\u00e2m c\u1ed1 \u0111\u1ecbnh.<\/li>\n
  • Megaminx: Megaminx l\u00e0 kh\u1ed1i Rubik \u1edf d\u1ea1ng th\u1eadp nh\u1ecb di\u1ec7n v\u00e0 \u0111\u1ec1u nhau. M\u1ed7i m\u1eb7t g\u1ed3m m\u1ed9t t\u00e2m c\u1ed1 \u0111\u1ecbnh h\u00ecnh ng\u0169 gi\u00e1c. Ngo\u00e0i ra, n\u00f3 c\u00f2n n\u0103m m\u1ea3nh g\u00f3c x\u1ebfp th\u00e0nh h\u00ecnh ng\u00f4i sao n\u0103m c\u00e1nh, c\u00f9ng v\u1edbi m\u1ea3nh c\u1ea1nh tam gi\u00e1c.<\/li>\n
  • Rubik g\u01b0\u01a1ng: Kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng n\u00e0y s\u1edf h\u1eefu c\u1ea5u tr\u00fac v\u00e0 thi\u1ebft k\u1ebf \u0111\u1ed9c nh\u1ea5t. H\u1ea7u h\u1ebft t\u1ea5t c\u1ea3 c\u00e1c m\u1eb7t c\u1ee7a ch\u00fang \u0111\u1ec1u c\u00f3 k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng kh\u00e1c nhau.<\/li>\n<\/ul>\n
    \"cac-cach-giai-rubik-3x3-don-gian-nhu-dang-gion-2\"<\/picture>
    C\u00f3 nhi\u1ec1u lo\u1ea1i Rubik kh\u00e1c nhau<\/figcaption><\/figure>\n

    K\u1ef7 l\u1ee5c v\u1ec1 c\u00e1ch gi\u1ea3i Rubik 3×3<\/h2>\n

    Kh\u1ed1i Rubik bao g\u1ed3m 26 kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng nh\u1ecf xoay tr\u00ean m\u1ed9t tr\u1ee5c trung t\u00e2m. Trong \u0111\u00f3, c\u00f3 ch\u00edn m\u1eb7t l\u1eadp ph\u01b0\u01a1ng c\u00f3 m\u00e0u, x\u1ebfp th\u00e0nh ba h\u00e0ng. M\u1ed7i h\u00e0ng c\u00f3 ba m\u1eb7t, t\u1ea1o th\u00e0nh m\u1ed7i c\u1ea1nh c\u1ee7a h\u00ecnh l\u1eadp ph\u01b0\u01a1ng. Nguy\u00ean t\u1eafc ch\u01a1i Rubik l\u00e0 ng\u01b0\u1eddi ch\u01a1i l\u00e0 ph\u1ea3i \u0111\u01b0a n\u00f3 tr\u1edf l\u1ea1i h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u khi kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng bay xoay. C\u00e1c nh\u00e0 to\u00e1n h\u1ecdc \u0111\u00e3 t\u00ednh ra r\u1eb1ng c\u00f3 h\u01a1n 43 tri\u1ec7u t\u1ef7 c\u00e1ch xoay c\u00e1c \u00f4 vu\u00f4ng. Tuy nhi\u00ean, ch\u1ec9 m\u1ed9t trong nh\u1eefng c\u00e1ch k\u1ebft h\u1ee3p \u0111\u00f3 l\u00e0 \u0111\u00fang.<\/p>\n

    Max Park (California, M\u1ef9) g\u1ea7n \u0111\u00e2y \u0111\u00e3 l\u1eadp k\u1ef7 l\u1ee5c th\u1ebf gi\u1edbi v\u1ec1 c\u00e1ch gi\u1ea3i Rubik 3×3 ch\u1ec9 trong 3,134 gi\u00e2y v\u00e0o ng\u00e0y 11 th\u00e1ng 6 v\u1eeba qua. C\u1eadu \u0111\u00e3 xu\u1ea5t s\u1eafc v\u01b0\u1ee3t qua k\u1ef7 l\u1ee5c do Yusheng Du (Trung Qu\u1ed1c) thi\u1ebft l\u1eadp g\u1ea7n 5 n\u0103m tr\u01b0\u1edbc v\u1edbi 3,47 gi\u00e2y. Max c\u00f2n gi\u1eef c\u1ea3 k\u1ef7 l\u1ee5c th\u1ebf gi\u1edbi v\u1ec1 c\u00e1ch gi\u1ea3i Rubik 4×4, 5×5, 6×6 v\u00e0 7×7.<\/p>\n

    \"cac-cach-giai-rubik-3x3-don-gian-nhu-dang-gion-3\"<\/picture>
    Max Park \u0111\u00e3 l\u1eadp k\u1ef7 l\u1ee5c th\u1ebf gi\u1edbi v\u1ec1 c\u00e1ch gi\u1ea3i Rubik 3×3 ch\u1ec9 trong 3,134 gi\u00e2y<\/figcaption><\/figure>\n

    C\u00e1c b\u01b0\u1edbc gi\u1ea3i Rubik 3×3 cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/h2>\n

    Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i l\u00e0m quen v\u1edbi ng\u00f4n ng\u1eef c\u1ee7a Rubik. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap b\u1ea1n \u0111\u1ecdc c\u00f4ng th\u1ee9c d\u1ec5 d\u00e0ng h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p>\n

    C\u1ea5u t\u1ea1o kh\u1ed1i Rubik 3×3:<\/strong><\/h3>\n
      \n
    • Vi\u00ean T\u00e2m (Center):<\/strong>\u00a0C\u00f3 6 vi\u00ean, m\u1ed7i vi\u00ean 1 m\u00e0u v\u00e0 v\u1ecb tr\u00ed c\u1ed1 \u0111\u1ecbnh. M\u00e0u c\u1ee7a vi\u00ean t\u00e2m quy \u0111\u1ecbnh m\u00e0u c\u1ee7a m\u1eb7t \u0111\u00f3.<\/li>\n
    • Vi\u00ean C\u1ea1nh (Edge):<\/strong>\u00a0C\u00f3 12 vi\u00ean, m\u1ed7i vi\u00ean c\u00f3 2 m\u00e0u.<\/li>\n
    • Vi\u00ean G\u00f3c (Corner):<\/strong>\u00a0C\u00f3 8 vi\u00ean, m\u1ed7i vi\u00ean c\u00f3 3 m\u00e0u.<\/li>\n<\/ul>\n

      K\u00fd hi\u1ec7u c\u00e1c m\u1eb7t xoay:<\/strong>
      \nCh\u00fang ta s\u1ebd d\u00f9ng c\u00e1c ch\u1eef c\u00e1i \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho c\u00e1c m\u1eb7t, theo quy \u01b0\u1edbc qu\u1ed1c t\u1ebf:<\/p>\n

        \n
      • R (Right):<\/strong>\u00a0Xoay m\u1eb7t b\u00ean ph\u1ea3i theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n
      • L (Left):<\/strong>\u00a0Xoay m\u1eb7t b\u00ean tr\u00e1i theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n
      • U (Up):<\/strong>\u00a0Xoay m\u1eb7t tr\u00ean c\u00f9ng theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n
      • D (Down):<\/strong>\u00a0Xoay m\u1eb7t d\u01b0\u1edbi c\u00f9ng theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n
      • F (Front):<\/strong>\u00a0Xoay m\u1eb7t ph\u00eda tr\u01b0\u1edbc (m\u1eb7t \u0111ang \u0111\u1ed1i di\u1ec7n v\u1edbi b\u1ea1n) theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n
      • B (Back):<\/strong>\u00a0Xoay m\u1eb7t ph\u00eda sau theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n<\/ul>\n

        L\u01b0u \u00fd:<\/strong><\/p>\n

          \n
        • Khi b\u1ea1n th\u1ea5y m\u1ed9t ch\u1eef c\u00e1i k\u00e8m theo d\u1ea5u ph\u1ea9y tr\u00ean (‘), v\u00ed d\u1ee5\u00a0R’<\/strong>, c\u00f3 ngh\u0129a l\u00e0 xoay m\u1eb7t \u0111\u00f3\u00a0ng\u01b0\u1ee3c chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3<\/strong>.<\/li>\n
        • Khi b\u1ea1n th\u1ea5y m\u1ed9t ch\u1eef c\u00e1i k\u00e8m theo s\u1ed1 2, v\u00ed d\u1ee5\u00a0R2<\/strong>, c\u00f3 ngh\u0129a l\u00e0 xoay m\u1eb7t \u0111\u00f3\u00a02 l\u1ea7n<\/strong>\u00a0(t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 180 \u0111\u1ed9).<\/li>\n<\/ul>\n

          Nguy\u00ean t\u1eafc xoay kh\u1ed1i<\/h3>\n

          Gi\u1ea3i ph\u00e1p d\u1ec5 d\u00e0ng \u0111\u1ec3 gi\u1ea3i m\u1ed9t kh\u1ed1i Rubik l\u00e0 gi\u1ea3i quy\u1ebft m\u1eb7t d\u01b0\u1edbi c\u00f9ng \u0111\u1ea7u ti\u00ean. Sau \u0111\u00f3, b\u1ea1n xoay kh\u1ed1i gi\u1eefa v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 m\u1eb7t tr\u00ean c\u00f9ng. N\u00f3i v\u1ec1 c\u00e1ch gi\u1ea3i Rubik 3×3, \u0111\u1ea7u ti\u00ean, ng\u01b0\u1eddi ch\u01a1i ph\u1ea3i n\u1eafm r\u00f5 nguy\u00ean t\u1eafc xoay kh\u1ed1i:<\/p>\n

            \n
          • R: Xoay m\u1eb7t kh\u1ed1i v\u1ec1 h\u01b0\u1edbng b\u00ean ph\u1ea3i, theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n
          • R\u2019: Xoay m\u1eb7t kh\u1ed1i v\u1ec1 h\u01b0\u1edbng b\u00ean ph\u1ea3i, ng\u01b0\u1ee3c chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n
          • L: Xoay m\u1eb7t kh\u1ed1i v\u1ec1 h\u01b0\u1edbng b\u00ean tr\u00e1i, theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n
          • L\u2019: Xoay m\u1eb7t kh\u1ed1i v\u1ec1 h\u01b0\u1edbng b\u00ean tr\u00e1i, ng\u01b0\u1ee3c chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n
          • U: Xoay m\u1eb7t kh\u1ed1i v\u1ec1 h\u01b0\u1edbng tr\u00ean c\u00f9ng, theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n
          • U\u2019: Xoay m\u1eb7t kh\u1ed1i v\u1ec1 h\u01b0\u1edbng tr\u00ean c\u00f9ng, ng\u01b0\u1ee3c chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n
          • F: Xoay m\u1eb7t kh\u1ed1i v\u1ec1 h\u01b0\u1edbng ph\u00eda tr\u01b0\u1edbc, theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n
          • F\u2019: Xoay m\u1eb7t tr\u01b0\u1edbc, ng\u01b0\u1ee3c chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3.<\/li>\n<\/ul>\n
            \"cac-cach-giai-rubik-3x3-don-gian-nhu-dang-gion-4\"<\/picture>
            C\u00e1c chi\u1ec1u xoay c\u1ee7a Rubik<\/figcaption><\/figure>\n

            Tr\u00ecnh t\u1ef1 c\u00e1ch gi\u1ea3i Rubik 3×3<\/h3>\n

            Sau khi n\u1eafm r\u00f5 nguy\u00ean t\u1eafc xoay kh\u1ed1i, b\u1ea1n ti\u1ebfn h\u00e0nh theo nh\u1eefng tr\u00ecnh t\u1ef1 c\u00e1ch gi\u1ea3i Rubik 3×3 sau:<\/p>\n

            B\u01b0\u1edbc 1:<\/strong> \u0110\u1ea7u ti\u00ean, ch\u1ecdn m\u1ed9t m\u1eb7t trung t\u00e2m c\u00f3 m\u00e0u b\u1ea5t k\u1ef3 (ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e0u tr\u1eafng). Sau \u0111\u00f3, b\u1ea1n t\u1ea1o m\u1ed9t ch\u1eef th\u1eadp m\u00e0u tr\u1eafng b\u1eb1ng c\u00e1ch \u0111\u01b0a t\u1ea5t c\u1ea3 b\u1ed1n m\u1ea3nh c\u1ea1nh ti\u1ebfp gi\u00e1p v\u1edbi trung t\u00e2m.<\/p>\n

            B\u01b0\u1edbc 2:<\/strong> L\u1ea7n l\u01b0\u1ee3t gh\u00e9p c\u00e1c m\u00e0u c\u1ee7a c\u1ea3 b\u1ed1n t\u00e2m c\u1ee7a m\u1eb7t b\u00ean v\u1edbi c\u00e1c c\u1ea1nh c\u1ee7a l\u1edbp d\u01b0\u1edbi c\u00f9ng. R\u1ed3i sau \u0111\u00f3, b\u1ea1n xoay c\u00e1c c\u1eb7p \u0111\u00e3 kh\u1edbp theo hai h\u01b0\u1edbng ng\u01b0\u1ee3c nhau. B\u1ea1n \u0111\u01b0a ch\u00fang l\u1ea1i \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t h\u00ecnh ch\u1eef th\u1eadp.<\/p>\n

            B\u01b0\u1edbc 3:<\/strong> Gh\u00e9p g\u00f3c \u1edf m\u1eb7t d\u01b0\u1edbi c\u00f9ng sao cho \u0111\u1ed3ng m\u00e0u v\u1edbi trung t\u00e2m. Sau \u0111\u00f3, \u00e1p d\u1ee5ng thu\u1eadt to\u00e1n R U R\u2019 U\u2019 v\u00e0 l\u1eb7p l\u1ea1i thu\u1eadt to\u00e1n t\u01b0\u01a1ng t\u1ef1 cho \u0111\u1ebfn khi m\u1ea3nh g\u00f3c d\u01b0\u1edbi c\u00f9ng \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf \u0111\u00fang v\u1ecb tr\u00ed c\u1ee7a n\u00f3.<\/p>\n

            B\u01b0\u1edbc 4:<\/strong> T\u1ea1o m\u1eb7t th\u1ee9 hai b\u1eb1ng c\u00e1ch gh\u00e9p t\u1ea5t c\u1ea3 b\u1ed1n c\u1ea1nh \u1edf c\u00e1c m\u1eb7t b\u00ean. \u0110\u1ea7u ti\u00ean, gh\u00e9p m\u00e0u c\u1ee7a g\u00f3c thu\u1ed9c m\u1eb7t tr\u00ean v\u1edbi m\u1eb7t trung t\u00e2m. Quan s\u00e1t ph\u1ea7n kh\u00e1c c\u1ee7a kh\u1ed1i.<\/p>\n

              \n
            • Tr\u01b0\u1eddng h\u1ee3p 1: N\u1ebfu m\u00e0u c\u1ee7a ph\u1ea7n c\u00f2n l\u1ea1i kh\u1edbp v\u1edbi ph\u1ea7n trung t\u00e2m \u1edf ph\u00eda b\u00ean ph\u1ea3i, th\u00ec h\u00e3y \u00e1p d\u1ee5ng thu\u1eadt to\u00e1n U R U\u2019 R\u2019 U\u2019 F\u2019 U F.<\/li>\n
            • Tr\u01b0\u1eddng h\u1ee3p 2: N\u1ebfu m\u00e0u c\u1ee7a ph\u1ea7n c\u00f2n l\u1ea1i kh\u1edbp v\u1edbi ph\u1ea7n trung t\u00e2m \u1edf ph\u00eda b\u00ean tr\u00e1i, th\u00ec h\u00e3y \u00e1p d\u1ee5ng thu\u1eadt to\u00e1n\u2019 U\u2019 L\u2019 U L U F U\u2019 F.<\/li>\n<\/ul>\n
              \"cac-cach-giai-rubik-3x3-don-gian-nhu-dang-gion-10\"<\/picture>
              Thu\u1eadt to\u00e1n U R U\u2019 R\u2019 U\u2019 F\u2019 U F v\u00e0 U\u2019 L\u2019 U L U F U\u2019 F<\/figcaption><\/figure>\n

              B\u01b0\u1edbc 5:<\/strong> T\u1ea1o ch\u1eef th\u1eadp m\u00e0u v\u00e0ng cho m\u1eb7t tr\u00ean c\u00f9ng b\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng thu\u1eadt to\u00e1n F R U R\u2019 U\u2019 F\u2019 1-3 l\u1ea7n.<\/p>\n

              B\u01b0\u1edbc 6:<\/strong> B\u00e2y gi\u1edd, gh\u00e9p m\u1ed9t c\u1ea1nh b\u1ea5t k\u1ef3 c\u1ee7a m\u1eb7t tr\u00ean c\u00f9ng v\u1edbi t\u00e2m \u1edf l\u1edbp gi\u1eefa. Sau \u0111\u00f3 \u00e1p d\u1ee5ng thu\u1eadt to\u00e1n F R U R\u2019 U\u2019 F\u2019 cho \u0111\u1ebfn khi t\u1ea5t c\u1ea3 c\u00e1c c\u1ea1nh \u0111\u01b0\u1ee3c kh\u1edbp. B\u00e2y gi\u1edd h\u00e3y gi\u1eef g\u00f3c \u0111\u01b0\u1ee3c gh\u00e9p l\u00e0m m\u1eb7t tr\u01b0\u1edbc v\u00e0 h\u01b0\u1edbng v\u1ec1 b\u00ean ph\u1ea3i. N\u1ebfu kh\u00f4ng c\u00f3 m\u1ea3nh g\u00f3c n\u00e0o \u1edf \u0111\u00fang v\u1ecb tr\u00ed, b\u1ea1n c\u00f3 th\u1ec3 gi\u1eef kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng theo b\u1ea5t k\u1ef3 h\u01b0\u1edbng n\u00e0o v\u1edbi c\u00e1c m\u1ea3nh kh\u00f4ng kh\u1edbp \u1edf tr\u00ean c\u00f9ng. K\u1ebf \u0111\u1ebfn, b\u1ea1n xoay theo U R U\u2019 L\u2019 U R\u2019 U\u2019 L 1-3 l\u1ea7n.<\/p>\n

              B\u01b0\u1edbc 7:<\/strong> \u1ede b\u01b0\u1edbc cu\u1ed1i c\u00f9ng, gi\u1eef m\u00e0u v\u00e0ng l\u00e0m m\u1eb7t tr\u01b0\u1edbc v\u00e0 b\u1eaft \u0111\u1ea7u t\u1eeb b\u1ea5t k\u1ef3 g\u00f3c n\u00e0o. \u00c1p d\u1ee5ng tchi\u1ec1u xoay U R’ U’ R cho \u0111\u1ebfn khi g\u00f3c s\u1eafp x\u1ebfp ch\u00ednh x\u00e1c. Sau \u0111\u00f3 b\u1ea1n xoay l\u1edbp tr\u00ean c\u00f9ng. R\u1ed3i b\u1ea1n l\u1eb7p l\u1ea1i U R’ U’ R m\u1ed9t l\u1ea7n n\u1eefa v.v. Sau c\u00f9ng, b\u1ea1n ch\u1ec9 c\u1ea7n di chuy\u1ec3n l\u1edbp \u0111\u1ed1i di\u1ec7n m\u00e0u v\u00e0ng 1-2 l\u1ea7n n\u1ebfu c\u1ea7n.<\/p>\n

              \"cac-cach-giai-rubik-3x3-don-gian-nhu-dang-gion-5\"<\/picture>
              T\u00f3m t\u1eaft c\u00e1c b\u01b0\u1edbc gi\u1ea3i Rubik<\/figcaption><\/figure>\n

              C\u00e1c c\u00e1ch gi\u1ea3i Rubik 3×3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nhi\u1ec1u nh\u1ea5t<\/h2>\n

              V\u1edbi thi\u1ebft k\u1ebf \u0111\u1ea7y m\u00e0u s\u1eafc v\u00e0 c\u01a1 ch\u1ebf ph\u1ee9c t\u1ea1p, vi\u1ec7c gi\u1ea3i c\u00e2u \u0111\u1ed1 c\u00f3 v\u1ebb kh\u00f3 kh\u0103n. Tuy nhi\u00ean, b\u1ea5t ch\u1ea5p kh\u00f3 kh\u0103n, t\u00ecm ra c\u00e1ch gi\u1ea3i Rubik 3×3 l\u00e0 m\u1ed9t tr\u1ea3i nghi\u1ec7m c\u1ef1c k\u1ef3 th\u1ecfa m\u00e3n. B\u1ea1n c\u00f3 th\u1ec3 ho\u00e0n t\u1ea5t nhanh h\u01a1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nhi\u1ec1u k\u1ef9 thu\u1eadt kh\u00e1c nhau. Vi\u1ec7c th\u1eed nghi\u1ec7m nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p s\u1ebd gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh c\u00e1i n\u00e0o ph\u00f9 h\u1ee3p nh\u1ea5t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c c\u00e1ch gi\u1ea3i Rubik 3×3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nhi\u1ec1u nh\u1ea5t.<\/p>\n

              C\u00e1ch gi\u1ea3i Rubik 3×3 CFOP<\/h3>\n

              Ph\u01b0\u01a1ng ph\u00e1p CFOP, hay c\u00f3 c\u00e1i t\u00ean kh\u00e1c l\u00e0 ph\u01b0\u01a1ng ph\u00e1p Fridrich. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch gi\u1ea3i Rubik 3×3 ph\u1ed5 bi\u1ebfn nh\u1ea5t do Jessica Fridrich t\u1ea1o ra v\u00e0o n\u0103m 1980. \u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p nhanh nh\u1ea5t, v\u00ec n\u00f3 cho ph\u00e9p b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i 2 m\u1eb7t c\u00f9ng l\u00fac. Khuy\u1ebft \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 n\u00f3 y\u00eau c\u1ea7u b\u1ea1n ph\u1ea3i ghi nh\u1edb nhi\u1ec1u (t\u1ed1i \u0111a 78) c\u00f4ng th\u1ee9c kh\u00e1c nhau.<\/p>\n

              Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ho\u1ea1t \u0111\u1ed9ng tr\u00ean h\u1ec7 th\u1ed1ng t\u1eebng l\u1edbp. N\u00f3 bao g\u1ed3m b\u1ed1n b\u01b0\u1edbc:<\/p>\n

                \n
              1. Cross: T\u1ea1o ch\u1eef th\u1eadp \u1edf \u0111\u00e1y m\u00e0u tr\u1eafng. Ngo\u00e0i ra, c\u00e1c vi\u00ean c\u1ea1nh ph\u1ea3i kh\u1edbp v\u1edbi m\u00e0u t\u00e2m c\u00e1c c\u1ea1nh b\u00ean. L\u1eddi khuy\u00ean l\u00e0 b\u1ea1n n\u00ean gi\u1ea3i ch\u1eef th\u1eadp \u1edf m\u1eb7t d\u01b0\u1edbi \u0111\u1ec3 tr\u00e1nh xoay kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng.<\/li>\n
              2. F2L: Gi\u1ea3i quy\u1ebft hai t\u1ea7ng \u0111\u1ea7u ti\u00ean. B\u1ea1n s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c \u0111\u1ec3 x\u1ebfp c\u00e1c g\u00f3c m\u00e0u tr\u1eafng c\u00f9ng c\u00e1c m\u1ea3nh c\u1ea1nh l\u1edbp th\u1ee9 2 v\u1ec1 \u0111\u00fang v\u1ecb tr\u00ed.<\/li>\n
              3. OLL: Gi\u1ea3i quy\u1ebft t\u1ea7ng tr\u00ean c\u00f9ng \u0111\u1ec3 to\u00e0n b\u1ed9 m\u1eb7t tr\u00ean c\u1ee7a kh\u1ed1i \u0111\u1ed3ng nh\u1ea5t m\u1ed9t m\u00e0u. Ng\u01b0\u1eddi ch\u01a1i c\u1ea7n \u00e1p d\u1ee5ng t\u1ed5ng c\u1ed9ng 57 thu\u1eadt to\u00e1n cho b\u01b0\u1edbc n\u00e0y. M\u1ed7i thu\u1eadt to\u00e1n gi\u1ea3i m\u1ed9t ho\u00e1n v\u1ecb c\u1ee7a l\u1edbp tr\u00ean c\u00f9ng trong m\u1ed9t chu\u1ed7i duy nh\u1ea5t.<\/li>\n
              4. PLL: Ho\u00e1n v\u1ecb t\u1ea7ng cu\u1ed1i b\u1eb1ng c\u00e1ch di chuy\u1ec3n c\u00e1c \u00f4 c\u00f2n l\u1ea1i tr\u1edf th\u00e0nh m\u1ed9t m\u00e0u \u0111\u1ed3ng nh\u1ea5t (v\u1eabn gi\u1eef nguy\u00ean h\u01b0\u1edbng). B\u01b0\u1edbc n\u00e0y s\u1ebd c\u1ea7n 21 thu\u1eadt to\u00e1n \u0111\u1ec3 gi\u1ea3i \u0111\u1ed1.<\/li>\n<\/ol>\n
                \"cac-cach-giai-rubik-3x3-don-gian-nhu-dang-gion-6\"<\/picture>
                Ph\u01b0\u01a1ng ph\u00e1p CFOP<\/figcaption><\/figure>\n

                L\u1eddi khuy\u00ean cho ai theo ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 h\u1ecdc OLL v\u00e0 PLL tr\u01b0\u1edbc, ti\u1ebfp theo l\u00e0 F2L. Nh\u1eefng ng\u01b0\u1eddi ch\u01a1i Rubik chuy\u00ean nghi\u1ec7p y\u00eau th\u00edch ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 Mats Valk, Feliks Zemdegs, Tymon Kolasi\u0144ski v\u00e0 Max Park.<\/p>\n

                C\u00e1ch gi\u1ea3i Rubik 3×3 Roux<\/h3>\n

                Roux l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i kh\u1ed1i Rubik nhanh do Gilles Roux ph\u00e1t hi\u1ec7n v\u00e0o n\u0103m 2003. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1t \u00e2m l\u00e0 \u201cRoo\u201d, v\u00ec \u201cx\u201d l\u00e0 \u00e2m c\u00e2m. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u1ea1o block to h\u01a1n (1x3x3) t\u1eeb 2 block 1x2x3 \u1edf hai b\u00ean. Ng\u01b0\u1eddi ch\u01a1i s\u1ebd t\u00e1i \u0111\u1ecbnh h\u01b0\u1edbng v\u00e0 ho\u00e1n v\u1ecb c\u00e1c g\u00f3c c\u1ea1nh c\u1ee7a Rubik v\u1edbi nhau. \u01afu \u0111i\u1ec3m c\u1ee7a Roux l\u00e0 c\u00f3 s\u1ed1 l\u01b0\u1ee3ng chuy\u1ec3n \u0111\u1ed9ng th\u1ea5p. Nh\u1edd \u0111\u00f3, n\u00f3 gi\u1ea3m s\u1ed1 l\u1ea7n xoay v\u00e0 ph\u00f9 h\u1ee3p \u0111\u1ec3 gi\u1ea3i quy\u1ebft b\u1eb1ng m\u1ed9t tay. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1edfi Kian Mansour v\u00e0 Sean Patrick Villanueva.<\/p>\n

                \"cac-cach-giai-rubik-3x3-don-gian-nhu-dang-gion-7\"<\/picture>
                Ph\u01b0\u01a1ng ph\u00e1p Roux<\/figcaption><\/figure>\n

                C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u01b0\u01a1ng ph\u00e1p Roux g\u1ed3m:<\/p>\n

                  \n
                1. T\u1ea1o kh\u1ed1i 1x2x3 \u1edf b\u1ea5t k\u1ef3 \u0111\u00e2u tr\u00ean Rubik.<\/li>\n
                2. T\u1ea1o kh\u1ed1i 1x2x3 th\u1ee9 hai \u0111\u1ed1i di\u1ec7n v\u1edbi kh\u1ed1i 1x2x3 \u0111\u1ea7u m\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u00f3. Sau b\u01b0\u1edbc n\u00e0y, s\u1ebd c\u00f3 hai kh\u1ed1i 1x2x3: m\u1ed9t \u1edf ph\u00eda d\u01b0\u1edbi b\u00ean tr\u00e1i v\u00e0 m\u1ed9t \u1edf ph\u00eda d\u01b0\u1edbi b\u00ean ph\u1ea3i, \u0111\u1ec3 l\u00e1t c\u1eaft U v\u00e0 l\u00e1t c\u1eaft M t\u1ef1 do di chuy\u1ec3n.<\/li>\n
                3. \u0110\u1ecbnh h\u01b0\u1edbng 6 c\u1ea1nh c\u00f2n l\u1ea1i ch\u1ec9 di chuy\u1ec3n M v\u00e0 U. Sau \u0111\u00f3 xoay c\u00e1c c\u1ea1nh UL v\u00e0 UR m\u00e0 v\u1eabn gi\u1eef nguy\u00ean h\u01b0\u1edbng. Sau b\u01b0\u1edbc n\u00e0y, c\u1ea3 hai l\u1edbp b\u00ean tr\u00e1i v\u00e0 b\u00ean ph\u1ea3i s\u1ebd ho\u00e0n th\u00e0nh. Ho\u00e0n thi\u1ec7n ph\u1ea7n trung t\u00e2m v\u00e0 c\u00e1c c\u1ea1nh trong l\u00e1t c\u1eaft M. B\u01b0\u1edbc n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 L4E ho\u1eb7c L4EP.<\/li>\n<\/ol>\n

                  C\u00e1ch gi\u1ea3i Rubik 3×3 Petrus<\/h3>\n

                  Ph\u01b0\u01a1ng ph\u00e1p Petrus l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c gi\u1ea3i lh\u1ed1i Rubik theo t\u1eebng l\u1edbp, t\u1eebng kh\u1ed1i m\u1ed9t. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 cao th\u1ee9 hai sau CFOP. Ph\u01b0\u01a1ng ph\u00e1p Petrus y\u00eau c\u1ea7u \u00edt s\u1ef1 di chuy\u1ec3n h\u01a1n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c. Do \u0111\u00f3 th\u1eddi gian gi\u1ea3i nhanh h\u01a1n, \u0111\u1ed3ng th\u1eddi l\u00e0m gi\u1ea3m t\u1ed5ng s\u1ed1 l\u1ea7n di chuy\u1ec3n c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3i to\u00e0n b\u1ed9 kh\u1ed1i. Ngo\u00e0i ra, n\u00f3 r\u1ea5t linh ho\u1ea1t v\u00e0 cho ph\u00e9p nhi\u1ec1u s\u00e1ng t\u1ea1o trong vi\u1ec7c gi\u1ea3i kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng. Ng\u01b0\u1eddi ch\u01a1i s\u1ebd t\u1ef1 do trong vi\u1ec7c l\u1ef1a ch\u1ecdn tr\u00ecnh t\u1ef1 x\u00e2y d\u1ef1ng kh\u1ed1i Rubik, \u0111\u1ed3ng th\u1eddi th\u00edch \u1ee9ng v\u1edbi c\u00e1c lo\u1ea1i c\u1ea5u h\u00ecnh kh\u1ed1i Rubik kh\u00e1c nhau.<\/p>\n

                  \"cac-cach-giai-rubik-3x3-don-gian-nhu-dang-gion-9\"<\/picture>
                  Ph\u01b0\u01a1ng ph\u00e1p Petrus<\/figcaption><\/figure>\n

                  C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n theo Petrus g\u1ed3m:<\/p>\n

                    \n
                  1. T\u1ea1o kh\u1ed1i 2x2x2 b\u1ea5t k\u1ef3.<\/li>\n
                  2. M\u1edf r\u1ed9ng kh\u1ed1i 2x2x2 th\u00e0nh kh\u1ed1i 2x2x3.<\/li>\n
                  3. S\u1eeda c\u00e1c \u201cc\u1ea1nh x\u1ea5u\u201d ho\u1eb7c \u0111\u1ecbnh h\u01b0\u1edbng b\u1ea3y c\u1ea1nh c\u00f2n l\u1ea1i tr\u00ean kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng ch\u01b0a \u0111\u01b0\u1ee3c di chuy\u1ec3n.<\/li>\n
                  4. Ho\u00e0n th\u00e0nh F2L b\u1eb1ng c\u00e1ch xoay 2 b\u00ean. C\u00e1ch ti\u1ebfp c\u1eadn thu\u1ea7n t\u00fay c\u1ee7a Petrus l\u00e0 t\u1ea1o m\u1ed9t kh\u1ed1i 1x2x2 v\u00e0 m\u1edf r\u1ed9ng n\u00f3 th\u00e0nh m\u1ed9t kh\u1ed1i 1x2x3 \u0111\u1ec3 ho\u00e0n th\u00e0nh F2L, kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1eddng ch\u00e9o v\u00e0 hai c\u1eb7p g\u00f3c\/c\u1ea1nh, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n theo hai c\u00e1ch.<\/li>\n
                  5. Ho\u00e1n v\u1ecb c\u00e1c g\u00f3c c\u1ee7a t\u1ea7ng cu\u1ed1i c\u00f9ng ho\u1eb7c \u0111\u1eb7t ch\u00fang v\u00e0o \u0111\u00fang v\u1ecb tr\u00ed.<\/li>\n
                  6. Xoay c\u00e1c g\u00f3c c\u1ee7a l\u1edbp cu\u1ed1i c\u00f9ng, l\u00e0m cho to\u00e0n b\u1ed9 l\u1edbp cu\u1ed1i c\u00f9ng c\u00f3 m\u00e0u \u0111\u1ed3ng nh\u1ea5t.<\/li>\n
                  7. Ho\u00e1n v\u1ecb c\u00e1c c\u1ea1nh c\u1ee7a l\u1edbp cu\u1ed1i c\u00f9ng m\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c m\u1ea3nh kh\u00e1c.<\/li>\n<\/ol>\n

                    C\u00e1ch gi\u1ea3i Rubik 3×3 ZZ<\/h3>\n

                    \u0110\u01b0\u1ee3c ra \u0111\u1eddi v\u00e0o n\u0103m 2006, ZZ l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i Rubik 3×3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Zbigniew Zborowski. Theo nhi\u1ec1u quan \u0111i\u1ec3m, ZZ l\u00e0 m\u1ed9t s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa hai ph\u01b0\u01a1ng ph\u00e1p CFOP v\u00e0 Petrus. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u1ed1 g\u1eafng r\u00fat ng\u1eafn s\u1ed1 l\u1ea7n di chuy\u1ec3n c\u1ee7a CFOP . \u0110\u1ed3ng th\u1eddi, n\u00f3 c\u1ea3i thi\u1ec7n c\u00e1c c\u01a1 h\u1ed9i di chuy\u1ec3n ng\u00f3n tay. N\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u1ecbnh h\u01b0\u1edbng c\u00e1c c\u1ea1nh \u0111\u1ec3 lo\u1ea1i b\u1ecf di chuy\u1ec3n F, B ho\u1eb7c D. Sau \u0111\u00f3, l\u1edbp cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft d\u1ec5 d\u00e0ng, v\u00ec c\u1ea3 b\u1ed1n c\u1ea1nh \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u01b0\u1edbng. \u0110\u1ec3 th\u1ef1c hi\u1ec7n ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, t\u1ed5ng s\u1ed1 thu\u1eadt to\u00e1n b\u1ea1n ph\u1ea3i thu\u1ed9c l\u00ean \u0111\u1ebfn 493 thu\u1eadt to\u00e1n.<\/p>\n

                    \"cac-cach-giai-rubik-3x3-don-gian-nhu-dang-gion-9\"<\/picture>
                    Ph\u01b0\u01a1ng ph\u00e1p ZZ<\/figcaption><\/figure>\n

                    C\u00e1c b\u01b0\u1edbc c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p ZZ l\u00e0 EOLine, F2L v\u00e0 LL.<\/p>\n

                      \n
                    • EOLine: \u0111\u01b0\u1ee3c xem l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t trong ph\u01b0\u01a1ng ph\u00e1p ZZ. B\u01b0\u1edbc n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u1ecbnh h\u01b0\u1edbng t\u1ea5t c\u1ea3 c\u00e1c c\u1ea1nh (EO- Edge Orientation). Sau \u0111\u00f3, hai c\u1ea1nh DB v\u00e0 DF ph\u1ea3i \u0111\u01b0\u1ee3c di chuy\u1ec3n sao cho t\u1ea1o th\u00e0nh \u0111\u01b0\u1eddng th\u1eb3ng v\u1edbi t\u00e2m. Thu\u1eadt to\u00e1n th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 gi\u1ea3i b\u01b0\u1edbc n\u00e0y l\u00e0 RUL. Trong khi \u0111\u00f3, n\u1ebfu di chuy\u1ec3n sai, ng\u01b0\u1eddi ch\u01a1i c\u1ea7n c\u00e1c b\u01b0\u1edbc di chuy\u1ec3n F\/B\/D\/E\/M\/S \u0111\u1ec3 gi\u1ea3i quy\u1ebft.<\/li>\n
                    • F2L t\u1eadp trung x\u1eed l\u00fd 2 t\u1ea7ng \u0111\u1ea7u ti\u00ean. B\u1ea1n h\u00e3y gi\u1ea3i c\u00e1c kh\u1ed1i 1x2x3 b\u00ean tr\u00e1i v\u00e0 b\u00ean ph\u1ea3i m\u00e0 kh\u00f4ng l\u00e0m \u0111\u1ee9t EOLine. H\u1ea7u h\u1ebft nh\u1eefng ng\u01b0\u1eddi ch\u01a1i m\u1edbi c\u00f3 xu h\u01b0\u1edbng ch\u00e8n c\u1ea1nh RD ho\u1eb7c LD b\u1eb1ng c\u00e1ch \u0111\u1ecbnh v\u1ecb n\u00f3 t\u1ea1i RU ho\u1eb7c LU. \u0110i\u1ec1u n\u00e0y t\u00f9y thu\u1ed9c v\u00e0o c\u1ea1nh s\u1ebd ti\u1ebfp t\u1ee5c \u1edf ph\u00eda n\u00e0o, sau \u0111\u00f3 th\u1ef1c hi\u1ec7n R2 ho\u1eb7c L2. Sau \u0111\u00f3, gi\u1ea3i c\u00e1c c\u1eb7p c\u00f2n l\u1ea1i.<\/li>\n
                    • LL l\u00e0 t\u1eadp trung gi\u1ea3i l\u1edbp cu\u1ed1i c\u00f9ng \u0111\u1ec3 ho\u00e0n th\u00e0nh kh\u1ed1i Rubik b\u1eb1ng ZBLL.<\/li>\n<\/ul>\n

                      Hy v\u1ecdng nh\u1eefng c\u00e1ch gi\u1ea3i Rubik 3×3 tr\u00ean s\u1ebd gi\u00fap b\u1ea1n t\u1ef1 tin chinh ph\u1ee5c nh\u1eefng kh\u1ed1i Rubik h\u00f3c b\u00faa nh\u00e9.<\/p>\n","protected":false},"excerpt":{"rendered":"

                      Rubik lu\u00f4n l\u00e0 tr\u00f2 ch\u01a1i “hack n\u00e3o” nh\u01b0ng k\u00edch th\u00edch t\u01b0 duy r\u1ea5t t\u1ed1t. Tuy nhi\u00ean, m\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n khi gi\u1ea3i kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng sau khi ho\u00e0n th\u00e0nh m\u1eb7t \u0111\u1ea7u ti\u00ean. C\u00f3 nhi\u1ec1u c\u00e1ch gi\u1ea3i Rubik 3×3, hay n\u00e2ng cao h\u01a1n l\u00e0 c\u00e1ch gi\u1ea3i Rubik 4×4, th\u1eadm ch\u00ed ch\u1ec9 trong v\u00e0i b\u01b0\u1edbc. […]<\/p>\n","protected":false},"author":48,"featured_media":235146,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29235,3910],"tags":[],"class_list":["post-234858","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha"],"yoast_head":"\nC\u00e1ch Gi\u1ea3i Rubik 3x3 Cho Ng\u01b0\u1eddi M\u1edbi B\u1eaft \u0110\u1ea7u (\u0110\u01a1n Gi\u1ea3n & \u0110\u1ea7y \u0110\u1ee7 A-Z)<\/title>\n<meta name=\"description\" content=\"H\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch gi\u1ea3i Rubik 3x3 cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u. 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