13.2×0.04= 132×40= 0.132×40=
1.777÷0.991.777 3.456÷1.033.456 63.5×10063.5÷0.01
4.69÷0.7=
6.5÷9=
※13.7÷2.74=
245÷0.98 245
25×3.6 2.5×36
+1