Question

1.计算下面各题.（写出过程）3分之2÷6分之1÷5分之1 7÷8分之1÷2分之1 5分之1×8÷5分之3 （2分之1-

Answer 1

2/3 ÷1/6÷1/5=2/3×6×5=20

7÷1/8÷1/2=7×8×2＝112

1/5 ×8÷3/5＝1/5×8×5/3=8/3

(1/2-1/3)×5/6=1/6×5/6=5/36

5/6÷2/3÷5/6=5/6×3/2×6/5=3/2

1-1/8÷2/8=1-1/8×8/2=1-1/2=1/2

(5/7+2/5)×5/25=39/35 ×1/5=39/175

1+3又1/2×1/2=1+7/3×1/2=1+7/6=2又1/6