Д) (1 3/4-2 3/8)/(1 3/5)=(7/4-19/8)/(8/5)=(7*2/8-19/8)*(5/8)=((14-19)/8)*(5/8)=-5/8*5/8=-25/64
е) (1 7/15+3 1/3)*(5/12)=(22/15+10/3)*(5/12)=((22+10*5)/15)*(5/12)=(72/15)*(5/12)=6/3=2
ж) (4 1/8-2 5/16)*(-1 3/29)=(33/8-37/16)*(-32/29)=((33*2-37)/16)*(-32/29)=((66-37)/16)*(-32/29)=(29/16)*(-32/29)=-2