Question

выражения (-1 3/4-8 1/2) •0,64

Answer 1

т.к 
-1 3/4 = -7/4
-8 1/2 = -17/2=-34/4

((-7 - 34)/4)*(64/100)= -41/4 * 64/100 = ((-41*64)/(4*100) =-6,56 ЛИБО 164/25