摘要：7+1= 6-1= 9-3= 3+4= 1+2= 5-5= 1+7= 7-5= 8-4= 2+2= 6-4= 3+3= 1+3= 3+5= 2+3= 0+9= 3-1= 8-0= 6+0= 7-6=
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| 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= |