×9﹣8÷
×（
÷
） | 354﹣167= | 50﹣24.8= | 3.14×5= | 1.21÷11= | （8+ ）× = |
| 53= | + = | 5.4× = | 24÷ = | 6.125﹣（3.625+ ）= |
×（1﹣
） 
：0.25=
﹣
=
=
﹣0.1÷2）×
+1÷（
+
）]÷0.01
÷8
﹣（26﹣1.6÷
×2
） 
×5.4－0.375×0.9 | x+0.4x= | 4.8÷0.6= | 1÷0.2= | 5.2×25×0.2= |
| 0.8×0.8= | 6.23﹣0.2= | 0.7x×5= | 10﹣5.2﹣3.1= |
| 6.24÷4+3.76×0.25 | 16.2×9.9+1.62 | 7.75×[20÷（3.24﹣3.04）] |
| 788÷12.5÷0.8 | 276.4×11﹣276.4 | 25×（4.7+4.7+4.7+4.7） |
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