+ 1- ×2 ÷
1.6+0.4=
12×3=
0.45÷9=
1﹣0.35=
18×=
1﹣=
=
30×50=
4.8×100=
3600÷90=
0.3÷100=
10﹣0.36=
+ =
60× =
÷ =
× × =
11﹣ ﹣ =