Question

-37,5.(-7,2)+28.3,75

Answer 1

\(-37,5\times\left(-7,2\right)+28\times3,75\)

\(\Leftrightarrow37,5\times7,2+2,8\times37,5\)

\(=37,5\times\left(7,2+2,8\right)\)

\(=37,5\times10\)

\(=375\)

~Std well~

#Thạc_Trân

Answer 2

-37.5 × ( - 7.2 ) + 28 × 3.75

= 37.5 × 7.2 + 28 × 3.75

= 37.5 × 7.2 + 2.8 × 37.5

= 37.5 × ( 7.2 + 2.8 )

= 37.5 × 10

= 375

Cbht