8.75+2.25=
3:x=9:15
13.7-3.6-4.3-2.1
0.59×101
2.5×12.5×40×0.8
()×24
24×+75÷5+
9×3.45+11.1×180%+54.3÷
3.2+8=
2-2÷9=
5.5-5=
36×75%=
7.32-5.9-0.32=
6÷=
24÷10%=
1.3×2÷1.3×2=
0.5÷ = × = 0.35÷ = 1.25÷ =
12÷30%= 0.4÷ = + = 25×40%=
15×0.2=
3.14×3²=
6÷6%=
8.9×11-8.9=
7÷=
×÷=
-=
+÷4=
6-1 = 25%×24= 4.3+5.07= 0.9×9+0.9=
6÷ = 0.34÷10%= 25%+ = × ÷ × =