题目列表(包括答案和解析)
| 0.25×368×40 | 10.7×16.1-15.1×10.7 | 5×9+7.5 | 1.2÷[2.5×（4.3-2.7）]． |
| 432-198= | 4.35+1.8= | 2.4×5= | 1.25×0.8= | 1÷0.25= |
| 685+40= | 3.2×20= | 8.4÷21= | 3.75+0= | 10-0.6= |
| 0.1×0.1÷0.1×0.1= | 999+99+3= | 5.4÷1.5÷6= | 6.87-4.9-0.87= |
 - = |  × = | 0.25÷= | 3+÷= |
| 1-15%= | 10÷0.1= | 1000-405= | 40×20%= |
| 432-198= | 4.35+1.8= | 2.4×5= | 1.25×0.8= | 1÷0.25= |
| 685+40= | 3.2×20= | 8.4÷21= | 3.75+0= | 10-0.6= |
| 0.1×0.1÷0.1×0.1= | 999+99+3= | 5.4÷1.5÷6= | 6.87-4.9-0.87= |
| 0.62-0.32= |
9.8×0.5×2= |
0.25×4= | ||||||
| 9.46×10= |
12÷0.6= |
| ||||||
| 2.4-0.6= |
0.4×0.5= |
1÷0.25= | ||||||
|
9.6÷0.2= |
0.56÷0.8= | ||||||
| 9.13×0= |
53.4÷10= |
8.5+1.8= | ||||||
| 0.36÷0.4= |
60×0.8= |
1÷0.25= |
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