5÷50%= | 0.6× = | 9× ÷9× = | 1﹣ + = |
85%﹣15%= | 9.3÷0.03= | 9.2×1.9≈ | 7208÷92≈ |
﹣ = | + = | ÷2= | 8÷ = |
3.6× = | 2.4÷ = | ÷ = | × = |
÷5= | 3÷ = | 3× +0= | (1﹣ )×14= |
× = | ×3.6= | ÷ = | 5﹣ × = |
9.2﹣7.3= | 8.5÷0.5= | 1.2×0.6= | 350+160= |
+ = | ﹣ = | × = | ÷6= |
12×30%= 0.3× = 1 × = × ÷ × =
1+2%= ÷12= ×0×24= 3-4× =
3吨的 是吨; 0.6平方米的 是平方米
0.4+ = = = =
= = =
460-290= 25×4= 10.4+6= 4÷5=
19×20%=
24× = 2.1× = 6÷ = ×57= ÷ =
1.25÷ = ÷6= × = ÷3= × =
= ÷6= ×7+ =
12×( )=
× = 4.9× = ÷ = 3÷10%=
3.5÷0.07= 20%× = ×0= ÷2=
45×0.1= 0.625÷ = ×0.75= 0.25+ =
25× = 1-75%= 84÷0.4= - =
0.5÷5%= 0.75× = 2+3%= 3a×4a=
× = 1÷ = ÷ = 45×102=
4.2× = ×2.6= 1.6× =
1.4× = ×0.9= 2.1× =
37+173= 4.1-0.3= 5²-3²= 36×25%=
÷ = 0.2²= ×2.4= a+ a=