× = 15÷ = 0.092= 8- =
5321+400= 14.2-2.2= × = 8÷25%=
1+19%=
3÷=
×50%=
1.4÷10%=
-+=
×=
1÷25=
3.4﹣1.52=
1+-÷1=
①
②x:21=:
③160×25%-1.3x=17.9
÷ =
6.78-0.42=
13×30%=
÷3=
220÷11=
÷37.5%=
0.5-15%=
0.19+0.54=
5.6÷0.08=
3.6÷=
0.9×=