口算
40×0.5= 2.48÷0.8= 0.5×1.8= 0.84÷7= 0.54÷0.6=
4÷0.25= 3.9÷39= 0.9×0.9= 6.5÷1.3= 1.5×102=
直接写得数．
4×0.01= 3.4+7.6= 3.12÷3= 5×0.8=
0.9÷0.01= 44×0.25= 2×0.4+0.4×1.3= 4×（1.5+0.25）=
列竖式计算，带*的要验算，带△的保留两位小数．
0.28×0.15 *8.93÷1.9 △3.92÷3.7．
列竖式计算
0.73×2.15 33.7÷3.7（得数保留两位小数）
直接写得数．
3.6×0.1= 2.5×4= 7.2÷1.2= 3.9÷3.9= 1﹣0.2×4=
0.25×4×3= 1.6+1.6×4= 2.5÷（2×5）= 0.98﹣0.8= 2.1+0.5=
×8= 
÷2= 
÷
= 
×
=
﹣
= 6.8÷10%= 
×
= 1÷
=
÷60%= 
= 
×
=