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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 7: (1+2/3-1/4)x (4/5-3/4) ² 3:(1/3-1/2) ²

Toán Lớp 7: (1+2/3-1/4)x (4/5-3/4) ²
3:(1/3-1/2) ²

Comments ( 2 )

  1. Giải đáp + Giải thích các bước giải:
    (1+2/3-1/4) xx (4/5-3/4)^2
    = (5/3 -1/4) xx (1/20)^2
    = 17/12 xx 1/400
    = 17/4800
    3:(1/3-1/2) ²
    = 3 : (-1/6)^2
    = 3 : 1/36
    = 108

  2. ( 1 + 2/3 – 1/4) . ( 4/5 – 3/4)^2
    = 17/12 . 1/20^2
    =17/12 . 1/400
    = 17/4800
    $\\$
    3 : ( 1/3 – 1/2)^2
    = 3 : (-1/6)^2
    = 3 : 1/36
    = 108

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222-9+11+12:2*14+14 = ? ( )

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