1.5+0.7=
5×0.35=
1.7×0.25×4=
5.2÷1.3=
8-0.58=
3.6-3.6÷9=
1.08×0.6÷0.24 （78.4+8）÷2.7 5.2÷0.8÷0.13
16×0.01=
0.3×9=
1.25×8=
0.25×4=
50÷0.5=
0.82÷0.2=
0.81÷0.9=
4.8÷0.03=
0×0.99=
0÷1.23=
1.23÷1=
0.99×1=
28.5－15=
2.5＋0.5÷2=
1.8÷0.5×0.5=
2.45÷25÷0.4=
