题目列表(包括答案和解析)
 × = | 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= |
| χ-19.6=10.4 | X+24.5=73.9 | 13χ-8χ=10.5 |
| χ÷9=21 | 2.4m=9.6 | 0.2x-3=7.5． |
| 10÷0.2÷2.5 | 64×4.5+3.6×45 | 1.25×3.2×0.8 |
| 3.9×3.09÷2.6 | 3.2+2.8÷1.4 | 60.8-36÷7.5 |
| ①10.64÷2.8+7.54÷0.26 | ②0.2608÷0.16+4÷1.25 | ③39.05÷7.1×4.2+5.58 |
| ④15-（8-2） | ⑤4-3+5 | ⑥11+7-9 |
| ⑦5X+2=7X-8 | ⑧2X+20=4X-24 | ⑨6（X-1）=7（X-3） |
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