-=
3.2+6.08=
6.2+0.01=
×0.42=
8-8÷4=
12÷=
2÷-÷2=
×5÷×5=
×=
+0.4=
÷=
23=
16×25%=
+-+=
50%+30%=
3.2-=
910÷70=
4.6+6.4=
1+2%=
120÷50%=
×7.2=
×0÷3=
×98=