题目列表(包括答案和解析)
| 3×4+1= | 5×7×2= | 2×6×3= |
| 8×5×9= | 9×6+6= | 8×8+4= |
| 3×0= | 0×0= | 4×3= |
| 15×4= | 10×0= | 0×100= |
| 303×2=1 | 50×4= | 102×5= |
| 30×6= | 170×4= | 506×5= |
| 120×5= | 300×6= | 460×8= |
| 560×5= |
| 1.5×1.3×4 | 2.7+3.1+2.9+3.2 | 25-4.9-6.1 |
| 3.5×4.8+2.2×2.4 | 131+132+130+129 | （13+5.2）÷1.3． |
| 1÷0.5= | 5÷40= | 2.4×3= | 0.8×0.5= | 12-8.9= |
| 3.2÷0.8= | 4.01÷100= | 1.7×0.5= | 2.5×400= | 13÷0.001= |
| 3.2×50= | 4.6+2.9= | 0.47+1.8= | 299+324= | 0.6÷5= |
| 6.7-2.9= | 23×2.7+77×2.7= | 5.4+0.74+4.6= |
| 6.7×1.2○1.2 | 3.7×0.65○3.7 |
| 4.2×0.6○4.2 | 0.8×1.4○0.8 |
| 3.85×9.5○3.85 | 9.4×2.5○9.4 |
| 0.9×0.9○0.95 | 5.43×0○5.43 |
| 3.5×5.3○5.3×3.5 | 4.8×0.999○4.8×1.01 |
| 1×0.95○0×1.22． |
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