Question

thực hiện phép tính

2/9 x 5/17 +2/9 x 12/7 + 7/9

giúp mk vs

Answer 1

= \(\frac{2}{9}\left(\frac{5}{17}+\frac{12}{17}\right)+\frac{7}{9}\)

= \(\frac{2}{9}\times1+\frac{7}{9}\)

= \(1\)

xin tiick

Answer 2

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