题目内容
口算| 5×6= |
4×4= |
8×6= |
| 8×8= |
2×2= |
4×5= |
| 9×1= |
9×5= |
42= |
| 3×8= |
6×6= |
2× |
| 8×9= |
分析:根据9以内的乘法口诀进行解答即可.
解答:解:
故答案为:30,16,48,64,4,20,9,45,7,4,6,4,9,9,78,9.
| 5×6=30 | 4×4=16 | 8×6=48 |
| 8×8=64 | 2×2=4 | 4×5=20 |
| 9×1=9 | 9×5=45 | 42=7×6 |
| 3×8=4×6 | 6×6=4×9 | 2×9=3×6 |
| 8×9=78-6 | 9×6=54. |
点评:明确9以内的乘法口诀,是解答此题的关键.
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