题目列表(包括答案和解析)
| 0.1÷0.2= | 0.06×1000= |
| 2.5+0.5+7.5= | 0.36÷0.03= |
| 3.8×0.1= | 0.8×2.9×1.25= |
| 5.6-5= | 3.9+0.03= |
| （2.5+0.25）×4= |
| 0.1÷0.2= | 0.06×1000= |
| 2.5+0.5+7.5= | 0.36÷0.03= |
| 3.8×0.1= | 0.8×2.9×1.25= |
| 5.6-5= | 3.9+0.03= |
| （2.5+0.25）×4= |
 × = | 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= |
| 3.9+1.6= | 7.02+2.8= | 8-0.37= | 15.29+4.3= |
| 125×8= | 25×6= | 14×7= | 13×4= |
| 21÷3×4= | 25×4÷5= | 84÷7×8= | 23-9+19= |
| 126-（37-18）= | 36÷（4×9） | （5+7）÷3= | （45+5）÷25= |
| 3÷4= | 0.9÷3= | 1.5÷0.5= | 10×0.28= |
| 20÷0.4= | 1.2÷0.6= | 0.83+0.25= | 1-0.08= |
| 5χ-χ= | X+X= | 8×12.5= | 0.6×1.5= |
| 2.7+2.7= | 63÷0.9= | 0.3÷1.5= | 10÷0.2= |
| 0.95÷5= | 0×1.7= | 6÷5= | 1.8÷0.36= |
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