= 
= 
= 
= 
= 
= 
= 0.33= 1÷7×24= 5﹣1.4﹣1.6=
竖式计算，得数保留两位小数．
0.38×0.65 6.18×0.99 4.8÷2.3 23.5÷0.18．
用竖式计算．
3.49+2.15 7.4﹣3.68 5.3×0.26 0.453÷0.15．
直接写出得数．
3.8÷0.19= 0.73×1.25×0.8= 1.6×2.5= 0.15×15﹣5×0.15=
1÷0.2= 1.8×3.6+6.4×1.8= 2.5×0.3= 1.25×3.2×0.25=
计算：
12×2.5= 7.5×0.4= 1÷0.625= 8.4÷4.2=
24÷4+56÷4= 2.5+2.5×3= 0.25×8= 12.5÷2.5=
口算
1.6÷0.4= 0.77×1= 7.5÷3= 1.5×6=
0.125×8= 31.4÷3.14= 1.4×10= 0.1×6.4=
3.6×0.2= 1.5÷1.5= 2.8÷0.4= 2.3+1.8=
10÷0.1= 4.16÷1= 0.45×0.1= 0.2×11=
3.6÷2= 1.2÷0.02= 72÷0.9= 25×0.4=