口算
8×0.4= 0.1﹣0.01= 1÷0.25= 2.5+0.6=
0.12×0= 0.63÷0.9= 5.2+3.8= 5﹣0.64=
8.7﹣0.55﹣0.45= 1÷0.125÷8=
直接写得数．
4.2×0.1= 8÷0.01= 0.25×4= 26÷4=
4.2÷2= 0.6×4= 0.36÷3= 0.1×3.5=
2÷0.5= 8.9÷0.l= 0.6×4= 21÷0.7=
列竖式计算．（带※号题要用乘法验算）
14.16×0.25 ※42.5÷16．
口算．
3.2×0.2 1.4×0.4 3.3÷3 1.2÷0.3 5.6÷0.4
2.5×0.4 1.5×2 7.3+2.7 8.4÷0.7 4.5÷0.9
0.53﹣0.3 7.8÷6 8.4÷0.21 0.6×0.5 8.1×2
5.6+3.6 9﹣2.350.56÷8 1.23×3 12.5÷0.1．
直接写得数．
2.5×4= 0.25×3= 2.8×0.2= 2.4÷0.3= 4.6÷0.2=
0.32÷0.08= 7.2÷0.6= 0.06×15= 0.25×4×0.4= 7×2.6+7×0.4=
×27= （
）×60= 
=
= 45×
= 1÷
= 
=