Question

Tính bằng cách thuận tiện nhất.

\(\dfrac{5}{9}X\dfrac{8}{17}+\dfrac{4}{9}X\dfrac{8}{17}\)

Answer 1

   \(\dfrac{5}{9}\) \(\times\) \(\dfrac{8}{17}\) + \(\dfrac{4}{9}\) x \(\dfrac{8}{17}\)

= \(\dfrac{8}{17}\) x (\(\dfrac{5}{9}\) + \(\dfrac{4}{9}\))

= \(\dfrac{8}{17}\) x 1 

= \(\dfrac{8}{17}\)

Answer 2

bạn là ai

Answer 3

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Answer 4

\(\dfrac{5}{9}\times\dfrac{8}{17}+\dfrac{4}{9}\times\dfrac{8}{17}\)
\(=\left(\dfrac{5}{9}+\dfrac{4}{9}\right)\times\dfrac{8}{17}\)
\(=1\times\dfrac{8}{17}=\dfrac{8}{17}\)

Answer 5

An Nguyễn ơi bạn hỏi ai vậy?