摘要： 8+3= 4+9= 7+9= 8+8= 2+9=
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| 9-7= | 6+8= | 5+2= | 9-8= | 8+4= |
| 1+7= | 3+6= | 19-3= | 11-9= | 1+3= |
| 9-0= | 8-7= | 6-5= | 14+5= | 2+7= |
| 8+0= | 17-8= | 9-6= | 2+6= | 18-5= |
| 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= |