题目内容
先计算,再判断每组左、右两个算式是否相等.

想一想,为什么每组的两个算式都相等?
想一想,为什么每组的两个算式都相等?
| 8 |
| 8×2 |
| 8 |
| 2 |
| 8 |
| 8 |
| 8 |
| 2 |
| 8 |
| 2 |
| 8 |
| 8×2 |
| 8 |
| 8 |
| 8 |
| 2 |
| 8 |
| 2×3 |
| 8 |
| 6 |
| 8 |
| 2 |
| 8 |
| 3 |
| 8 |
| 6 |
| 8 |
| 2×3 |
| 8 |
| 2 |
| 8 |
| 3 |
| 8 |
| 3×二 |
| 8 |
| 82 |
| 8 |
| 3 |
| 8 |
| 二 |
| 8 |
| 82 |
| 8 |
| 3×二 |
| 8 |
| 3 |
| 8 |
| 二 |
通过以上验证,可得:
| 8 |
| 二×5 |
| 8 |
| 二 |
| 8 |
| 5 |
| 8 |
| 5×6 |
| 8 |
| 5 |
| 8 |
| 6 |
| 8 |
| 6×j |
| 8 |
| 6 |
| 8 |
| j |
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