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

Toán Lớp 7: Tìm `x`: `a)` `|x| = 7/9` Nhanh ặ, gấp

Toán Lớp 7: Tìm x:
a) |x| = 7/9
Nhanh ặ, gấp

Comments ( 2 )

  1. a, |x| = 7/9
    =>\(\left[ \begin{array}{l}x=\frac{7}{9}\\x=-\frac{7}{9}\end{array} \right.\)
    \text{Vậy}  x ∈ {7/9 ; -7/9}
    @Green

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

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