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

Toán Lớp 7: 4.(-1/2)^2 + 1/2 Giúp emmm nhaaaaa

Toán Lớp 7: 4.(-1/2)^2 + 1/2
Giúp emmm nhaaaaa

Comments ( 2 )

  1. $\text{4.($\dfrac{-1}{2})$}$$^{2}+$ $\dfrac{1}{2}$
    $\text{=4.$\dfrac{1}{4}$}$+$\dfrac{1}{2}$
    $\text{1+$\dfrac{1}{2}$}$
    =$\dfrac{3}{2}$
    $\text{#mct}$

  2. Giải đáp:
     3/2
    Lời giải và giải thích chi tiết:
    4 . (-1/2)^2 + 1/2
    = 4 . 1/4 + 1/2
    = 1 + 1/2
    = 2/2 + 1/2
    = 3/2 

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