题干
把下面的减法表补充完整
10-1 | 10-2 | 10-3 | ____ | 10-5 | ____ | 10-7 | ____ | 10-9 |
11-2 | ____ | ____ | ____ | ____ | ____ | ____ | ____ | |
____ | ____ | ____ | ____ | ____ | ____ | 12-9 | ||
____ | ____ | ____ | ____ | ____ | ____ | |||
____ | 14-6 | ____ | ____ | ____ | ||||
15-6 | ____ | ____ | ____ | |||||
____ | ____ | ____ | ||||||
____ | ____ | |||||||
18-9 |
答案(点此获取答案解析）
10\uff0d4,10\uff0d6,10\uff0d8,11\uff0d3,11\uff0d4,11\uff0d5,11\uff0d6,11\uff0d7,11\uff0d8,11\uff0d9,12\uff0d3,12\uff0d4,12\uff0d5,12\uff0d6,12\uff0d7,12\uff0d8,13\uff0d4,13\uff0d5,13\uff0d6,13\uff0d7,13\uff0d8,1
