 × = |  ÷ = | 125×1.6= | 12.56÷6.28= | 6× ÷6×= |
 ﹣ = | 3.14×5= | 7.2÷40%= | 75×10%= | ÷3﹣ = |
25÷0.2×（1﹣ ） | 15×（ + ）×17 |  ÷[ ×（ + ）] |
3÷ ﹣÷3 |  ×25%+ ÷0.25 |  × + ÷ ． |
的数是多少？ | 4.3+1.07= | 12﹣7 = |  ×2.7= | 4÷ = | 0.125×32= |
| 80%×30%= | 4 ﹣1 ﹣1.25= |  ÷ = | （2.4+1  ）÷6= |  +÷ + = |
| 42= | 23= | 0.5÷0.01= | 42×10%= |
| 3﹣2.07= |  + = |  ÷ = | 0÷23+7= |
| 0.9×99+0.9= | 0.25×18×4= | | |
 ﹣ = |  ×3= | 6× = |  + ×7= |
| 100÷10%= | 0.22= |  ﹣×0= | 2× ÷2×= |
| 10÷0.1= |  + = | 14× = | 0.68÷2= | 1﹣1÷7= |
24×（ + ）= | 3.5÷20%= | 0÷25= |  ×75%= | 0.99×99+0.99= |
+
+
+0.4
+5.4+
+460%
+0.4． | 0.8+2.6= | 3.6÷0.2= | 2.4×5= |  + = |
1﹣ = | 7%﹣3%= |  ×6= | 2÷ = |
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