6×2=
5×5=
37+5=
4×8=
23-6=
9×3=
7×4=
15+9=
7×5=
2×8=
4×4=
60-30=
9+4=
5×9=
8-5=
2×2=
45+14+23= 98-(70-5)=
341-29= 5.7+1.24= -0.25= × =
3.2÷80%= ÷ = ×0+ = 12.5×8÷12.5×8=