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

Toán Lớp 7: (-2/3+3/7).2027/2018+(-1/3+4/7).2017/2018

Toán Lớp 7: (-2/3+3/7).2027/2018+(-1/3+4/7).2017/2018

Comments ( 2 )

  1. ($\frac{-2}{3}$ + $\frac{3}{7}$ ) . $\frac{2017}{2018}$ + ($\frac{-1}{3}$ +$\frac{4}{7}$ ) . $\frac{2017}{2018}$
    = $\frac{2017}{2018}$ ( $\frac{-2}{3}$ + $\frac{3}{7}$ + $\frac{-1}{3}$ +$\frac{4}{7}$)
    = $\frac{2017}{2018}$ . 0 = 0
                   Chúc bạn học tốt. Cho mình xin hay nhất nha !!

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

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