0.56÷0.25=÷25
3.88÷0.32=÷
1÷0.18=÷18
5.3÷0.326=÷
6.42×3.7+6.42×1.3
(5.3-1.7)÷0.09
78÷0.25÷0.4
7x÷3=8.19 (3x-4)×5=4
生产总量
132
需要天数
30
905﹣260= =
= =
1.25×2.5×32= 8÷0.01=
808÷88≈ 697+296≈