×30= ÷ = + = ÷ = 0× =
3.2÷0.4= 5- = × = 1.21× = ÷2.2=
÷3=
25%×4=
×0=
24×=
1÷-÷1=
1-38%=
=
0÷=
10.2+22%=
1÷=