题目列表(包括答案和解析)
| 9×3= | 12÷6= | 5×9= |
| 5×7= | 15÷3= | 8×4= |
| 9×3= | 24÷3= | 7×2= |
 × = | 3.7+2.5= | 51÷0.25= | 1.1-0.11= |
÷ = | 68÷0.4= | × = | 3.27+7.3= |
| ×6= |  × = | 627-198= | 0.1÷50%= |
 ×15= | 9- = | 10-2 = | 3.8×0.1= |
 ×= | ÷50%= | ×40%= | 12%+25%= |
| 0.8÷3= | 280÷35= | 359+199= | 120%-70%= |
| 1.4×45= | 40÷10%= | 241-103= | 324-198= |
| 2-1.36= | -= | 33÷ = | 0.62+0.4= |
| 0.37-0.3= | 0.66÷0.3 | 100×0.48= | 5x-3x= |
| 35÷100= | 0.4×0.5= | -= | 0.23÷0.1= |
1- = | 0.8π= | 1-90%= | 1+= |
 ÷6= |
| 4.8÷4= | 3.9÷1.3= | 4÷0.08= |
| 0.81÷0.27= | 4.8÷0.16= | 7.5÷1.5= |
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