Question

Вычислите (3/4-1-3)*2/5

Answer 1

0,75-1=-0,25
-025-3=3,25
3,25*0,4=-13

Answer 2

( 3/4 - 1-3 ) × 2/5 = ( 3/4 - 4 ) × 2/5 = ( -13/4 ) × 2/5 = -13/2 × 1/5 = - 13/10 = - 1 3/10 = - 1,3