直接写出得数．
12.4+2.1= 0.08×0.5= 0.14÷0.02= 2.5+0.2×2=
9.5×100= 1.25×8= 1÷4= 0.25×0.9×4=
3.5﹣1.5= 1.2÷0.4=3.6×0.5= 8×0.9+8×2.1=
6.3÷0.09= 2.9×0.3= 0.95÷5= 7.8+2.2﹣1.5=
1.6×0.25= 0.1÷0.5= 3.5×2×0.1= 2.1÷0.2÷3.5=
笔算下面各题
7.036﹣4.78
0.684÷9.5
验算：
直接写出得数．
1.25×0.8= 213÷3= 21.6+8.4= 0.72÷0.06=
1﹣0.28= 56×78×0= 0.3÷10= 7×9÷7×9=
直接写得数
0.24+0.8= 5.8÷0.01= 6.7×5×2= 29.23+11.77= 50×0.6=
9.23﹣6.3= 10.5÷5= 2.9×0.01= 0.4×2.5÷0.4×2.5= 90﹣90÷1.5=
直接写出计算结果．
2.4+0.73= 3.07×4= 2.6×0.3= 537﹣99=
5﹣0.71﹣0.19= 7.3÷8÷0.125= 2.7×4+2.3×4= 32+7.2+0.8=
3.6+13.5+1.4= 1.5×17×0.2=