题目内容
填表.| × | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 6 | 42 | ||||||||
| 7 | 28 | ||||||||
| 8 | 8 | ||||||||
| 9 |
分析:根据9以内的乘法口诀进行填表即可.
解答:解:填表如下:
| × | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 6 | 6 | 12 | 18 | 24 | 30 | 36 | 42 | 48 | 54 |
| 7 | 7 | 14 | 21 | 28 | 35 | 42 | 49 | 56 | 63 |
| 8 | 8 | 16 | 24 | 32 | 40 | 48 | 56 | 64 | 72 |
| 9 | 9 | 18 | 27 | 36 | 45 | 54 | 63 | 72 | 81 |
点评:灵活掌握9以内的乘法口诀,是解答此题的关键.
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