图形 | |||||
个数 |
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|
|
|
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12-9= | 14-8= | 12-4= | 13-6= | 7+8-6= |
16-7= | 11+5= | 9+5= | 12-7= | 8+3-4= |
16+3= | 12-6= | 18-8= | 7+7= | 13-9+3= |
13-7= | 5+8= | 14+5= | 15-9= | 12+6-9= |