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

Toán Lớp 6: $\frac{10}{17}$- $\frac{5}{13}$- $\frac{7}{12}$ – $\frac{8}{13}$ +$\frac{-11}{15}$

Toán Lớp 6: $\frac{10}{17}$- $\frac{5}{13}$- $\frac{7}{12}$ – $\frac{8}{13}$ +$\frac{-11}{15}$

Comments ( 1 )

  1. Lời giải và giải thích chi tiết:
    $\frac{10}{17}$ – $\frac{5}{13}$ -$\frac{7}{12}$ -$\frac{8}{13}$ +$\frac{-11}{15}$ 
    =$\frac{(10.13.12.15)-(5.17.12.15)-(7.17.13.15)+(-11.17.13.12)}{39780}$
    =$\frac{23400-15300-23205+(-29172)}{39780}$
    =$\frac{-44277}{39780}$ =$\frac{-14759}{13260}$ 

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