0.52= 4%×25= ÷ = 1+1÷9=
0.67+0.32= 0÷25×99= - × = 0.15÷100=
10.1-1= 20- = 6.35+3.65×0= 10 ×11=
-2 3.5
80×20%= 200×9%= 3.6×50%= 100×25%=
3.14×5= 5²×3.14= 2²×3.14= 3.14×9=
3.9+2.7=
6-2.7=
1.9×4=
0.65÷0.1=
1.4+= ÷30%= 24÷40% = 60×120%=
48×75% = 1-55% = 80%-= 50×(1-80%)=
1÷10%-10%÷1= 7.8×25%×4= 131131÷131=
9300÷5÷6= (87.5%- )×24= 0.25×8=