Question

giúp mình câu này với:

3x 7/10+ 7/10x 5+ 2x 7/10

Answer 1

tra gg

Answer 2

Lên  gg

Answer 3

3x 7/10+ 7/10x 5+ 2x 7/10 = 7

Answer 4

\(3\times\dfrac{7}{10}+\dfrac{7}{10}\times5+2\times\dfrac{7}{10}\)

\(=\dfrac{7}{10}\times\left(3+5+2\right)\)

\(=\dfrac{7}{10}\times10\)

= 7

Answer 5

hỏi qanda ý

Answer 6

3x 7/10+ 7/10x 5+ 2x 7/10 = 7 nha bạn