0.125×80=
10÷0.5=
4.17-3.17×0=
10a-3.6a=
1.6×0.6=
12÷0.03=
0.3×0.3×0.3=
b×4×b=
2.4÷30=
1.21÷1.1=
0.63÷9=
4.2÷3=
0.13×5=
32.8÷4=
1.8×0.6=
4.4×0.9=
1.44÷12=
23.7÷30=
方法一:
方法二:
135+398= 5﹣0.5= 0.24×50= 2﹣2÷7=
÷2= 1.25×9×8= += (+)×72=
728﹣299= 0.23= 3.6×25%= 6÷=
8﹣1.3﹣1.7=
5.07-2.8= 34÷4= 1- = ∶ =