Question

4x7/10+7/10x5+7/10

Answer 1

\(\left(4+5+1\right)\times\dfrac{7}{10}=10\times\dfrac{7}{10}=\dfrac{70}{10}=7\)

Answer 2

(4+5+1).7/10

=10.7/10

=7

 

Answer 3

7