÷8=
20×75%=
×=
-=
1.8÷0.18=
0.8÷=
74%-63%=
÷25%=
910÷70=
4.6+6.4=
1+2%=
120÷50%=
×7.2=
×0÷3=
×98=
0.4×25%=
0.27+0.73=
0.5÷0.01=
0.99÷0.11=
6-6÷7=