× =
5÷0.4=
0÷12=
1- =
12×2.5×4=
÷ =
0.89÷100=
2.8×0.1=
=
3.4÷8÷12.5=
10﹣=
5.7÷0.19=
1.74+2.6=
35﹣+=
3×10%=
÷=
3.14×9=
×5÷×5=