Question

 

Tính

3x(4/7+3/5)

 

Answer 1

3x(4/7+3/5)

= \(3x\dfrac{41}{35}=\dfrac{123}{35}\)

Answer 2

\(3\times\left(\dfrac{4}{7}+\dfrac{3}{5}\right)=3\times\left(\dfrac{20}{35}+\dfrac{21}{35}\right)=3\times\dfrac{41}{35}=\dfrac{123}{35}\)

Answer 3

=3.41/35

=123/35

Answer 4

=123/35