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

Toán Lớp 7: ( 2^2 : 4/3 -1/2 ) .6/5 -17 giúp mik vs

Toán Lớp 7: ( 2^2 : 4/3 -1/2 ) .6/5 -17 giúp mik vs

Comments ( 2 )

  1. $\text{(}$$2^{2}:$ $\frac{4}{3}-$ $\frac{1}{2}).$ $\frac{6}{5}-17$
    $\text{=(4:}$$\frac{4}{3}-$ $\frac{1}{2}).$ $\frac{6}{5}-$ $\text{17}$
    $\text{=(3-}$$\frac{1}{2}).$ $\frac{6}{5}-$ $\text{17}$
    $\text{=}$$\frac{5}{2}.$ $\frac{6}{5}-$ $\text{17}$
    $\text{=}$$\frac{5.6}{2.5}-$ $\text{17}$
    $\text{=3-17}$
    $\text{=-15}$
    $\text{#mct}$

  2. ( 2^2 : 4/3 -1/2 ) . 6/5 – 17
    = ( 3 – 1/2 ) . 6/5 – 17
    = 5/2 . 6/5 – 17
    = 3 – 17
    = -15
     

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