题目列表(包括答案和解析)
| 0.1×0.2= | 1-0.9= | 0.32÷2= | 0.8×5= | 0.9×0.1= |
| 3.11+2.22= | 0.36÷0.4= | 12.5+12.5×7= | 8m-6m= | 10-0.34-0.66= |
 += | |||
 - =7.2÷0.3=  -1= +0.2=0.54÷9=  - = -= -= + = | |||
| 1÷0.25= | |||
 + = | |||
| 0.67+0.3= 0.38×2= 8.1÷0.09= 2- = |
| 8.7×1.9-8.7×0.9 | 2.5×3.8×0.4×0.2 | 5.7×10.2． |
| 1-0.3= | 5.3+0.5= | 4.7-2.3= | 0.5×0.2= |
| 4×0.25= | 1÷0.01= | 10-0.9= | 3.6÷0.3= |
| 8.7+3.41= | 0.01×50= | 2.5×40= | 7.2÷0.8= |
| 5.6-4.6= | 3.8÷1.9= | 10-5.46= | 5.89+0.11= |
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