题目内容
| 2 |
| 3 |
| 1 |
| 6 |
| 7 |
| 8 |
分析:先求出
减
的差,再用所得的差乘
即可解答.
| 2 |
| 3 |
| 1 |
| 6 |
| 7 |
| 8 |
解答:解:(
-
)×
,
=
×
,
=
,
答:是
.
| 2 |
| 3 |
| 1 |
| 6 |
| 7 |
| 8 |
=
| 1 |
| 2 |
| 7 |
| 8 |
=
| 7 |
| 16 |
答:是
| 7 |
| 16 |
点评:明确各数的之间关系,以及计算的顺序是解答本题的关键.
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题目内容
| 2 |
| 3 |
| 1 |
| 6 |
| 7 |
| 8 |
| 2 |
| 3 |
| 1 |
| 6 |
| 7 |
| 8 |
| 2 |
| 3 |
| 1 |
| 6 |
| 7 |
| 8 |
| 1 |
| 2 |
| 7 |
| 8 |
| 7 |
| 16 |
| 7 |
| 16 |