Question

3 x 7/10 +7/10 x 5 +2 x 14/20 =

Answer 1

\(=\dfrac{7}{10}\left(3+5+2\right)=\dfrac{7}{10}\cdot10=7\)

Answer 2

`3xx7/10+7/10xx5+2xx14/20`

`=3xx7/10+7/10xx5+2xx7/10`

`=7/10xx(3+5+2)=7/10xx10=7`

Answer 3

7

Answer 4

` 3 xx 7/10 +7/10 xx5+2 xx 14/20`

`=3 xx 7/10 +7/10 xx5 +2 xx 7/10`

`=7/10xx(3+5+2)`

`=7/10 xx10`

`=7`