{"id":12437,"date":"2022-11-26T07:54:27","date_gmt":"2022-11-26T00:54:27","guid":{"rendered":"https:\/\/teky.edu.vn\/blog\/?p=12437"},"modified":"2022-12-08T16:23:02","modified_gmt":"2022-12-08T09:23:02","slug":"cach-tinh-can-bac-2-trong-excel","status":"publish","type":"post","link":"https:\/\/teky.edu.vn\/blog\/cach-tinh-can-bac-2-trong-excel\/","title":{"rendered":"C\u00e1ch t\u00ednh c\u0103n b\u1eadc 2 trong excel ch\u1ec9 b\u1eb1ng m\u1ed9t thao t\u00e1c"},"content":{"rendered":"\n\n
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\n 5\/5 - (5 b\u00ecnh ch\u1ecdn) <\/div>\n <\/div>\n

N\u1ebfu \u0111\u1ec3 n\u00f3i v\u1ec1 s\u1ef1 th\u00f4ng minh c\u1ee7a con ng\u01b0\u1eddi th\u00ec ch\u00fang ta s\u1ebd d\u1ef1a v\u00e0o nh\u1eefng ph\u00e1t minh khoa h\u1ecdc v\u0129 \u0111\u1ea1i hay nh\u1eefng c\u00f4ng tr\u00ecnh ki\u1ebfn tr\u00fac \u0111\u1ed3 s\u1ed9. Ch\u00fang ta s\u1ed1ng trong x\u00e3 h\u1ed9i ph\u00e1t tri\u1ec3n th\u00ec con ng\u01b0\u1eddi c\u0169ng s\u1ebd d\u1ef1a v\u00e0o s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 \u0111\u1ec3 gi\u00fap cu\u1ed9c s\u1ed1ng tr\u1edf n\u00ean t\u1ed1t \u0111\u1eb9p h\u01a1n.\u00a0<\/span>Excel l\u00e0 ph\u1ea7n m\u1ec1m s\u1edbm \u0111\u00e3 \u0111\u01b0\u1ee3c con ng\u01b0\u1eddi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00fap nh\u1eefng kh\u00f3 kh\u0103n v\u1ec1 t\u00ednh to\u00e1n v\u00e0 s\u1ed1 li\u1ec7u \u0111\u01b0\u1ee3c gi\u1ea3m b\u1edbt v\u00e0 gi\u1ea3i quy\u1ebft nhanh ch\u00f3ng h\u01a1n. Tuy nhi\u00ean, \u0111\u1ec3 hi\u1ec3u h\u1ebft v\u1ec1 excel v\u00e0 bi\u1ebft <\/span>c\u00e1ch t\u00ednh c\u0103n b\u1eadc 2 trong excel<\/b> th\u00ec kh\u00f4ng ph\u1ea3i ai c\u0169ng bi\u1ebft. V\u00ec th\u1ebf b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n bi\u1ebft c\u00e1ch t\u00ednh h\u00e0m c\u0103n b\u1eadc 2 trong excel, c\u00f9ng t\u00ecm hi\u1ec3u ngay th\u00f4i.\u00a0<\/span><\/em><\/p>\n

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N\u1ed9i dung <\/p>\nToggle<\/span><\/path><\/svg><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n

  • Th\u00f4ng tin v\u1ec1 c\u0103n b\u1eadc 2<\/a>
    • C\u0103n b\u1eadc 2 c\u00f3 t\u00ednh ch\u1ea5t g\u00ec kh\u00f4ng?<\/a><\/li>
    • T\u00e1c d\u1ee5ng c\u1ee7a h\u00e0m c\u0103n b\u1eadc 2<\/a><\/li><\/ul><\/li>
    • C\u00e1ch t\u00ednh c\u0103n b\u1eadc 2 trong excel b\u1eb1ng h\u00e0m SQRT<\/a><\/li>
    • S\u1eed d\u1ee5ng h\u00e0m SQRT \u0111\u1ec3 t\u00ednh c\u0103n b\u1eadc 2 cho gi\u00e1 tr\u1ecb \u00e2m<\/a><\/li>
    • T\u00ednh c\u0103n b\u1eadc 2 trong excel b\u1eb1ng c\u00f4ng th\u1ee9c m\u0169 nhanh ch\u00f3ng<\/a><\/li><\/ul><\/nav><\/div>\n

      <\/span>Th\u00f4ng tin v\u1ec1 c\u0103n b\u1eadc 2<\/b><\/span><\/h2>\n

      \u0110\u00e2y l\u00e0 \u0111\u1eb3ng th\u1ee9c to\u00e1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong c\u00e1c c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc<\/a>. Ch\u00fang ta c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01a1n gi\u1ea3n c\u0103n b\u1eadc 2 c\u1ee7a m\u1ed9t s\u1ed1 th\u00ec x2 b\u1eb1ng ch\u00ednh s\u1ed1 \u0111\u00f3. Hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 b\u00ecnh ph\u01b0\u01a1ng c\u1ee7a s\u1ed1 n\u00e0o b\u1eb1ng x th\u00ec s\u1ed1 \u0111\u00f3 l\u00e0 c\u0103n b\u1eadc 2 c\u1ee7a x. C\u0103n b\u1eadc 2 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong gi\u1edbi to\u00e1n h\u1ecdc \u0111\u1ec3 gi\u00fap con ng\u01b0\u1eddi t\u01b0 duy nhanh h\u01a1n.\u00a0<\/span><\/p>\n