题目内容
c米增加它的
后再减少
,还是c米.…______.
| c |
| 4 |
| c |
| 4 |
7×(7+
)×(7-
),
=7×
×
,
=
(米);
7米≠
米;
故答案为:错误.
| 7 |
| 4 |
| 7 |
| 4 |
=7×
| 9 |
| 4 |
| 3 |
| 4 |
=
| 79 |
| 76 |
7米≠
| 79 |
| 76 |
故答案为:错误.
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题目内容
| c |
| 4 |
| c |
| 4 |
| 7 |
| 4 |
| 7 |
| 4 |
| 9 |
| 4 |
| 3 |
| 4 |
| 79 |
| 76 |
| 79 |
| 76 |