题目内容
一件衣服先降价
,又涨价
,现价与原价一样.______.
| 1 |
| 10 |
| 1 |
| 10 |
(1-
)×(1+
)
=
×
,
=
.
即现价是原价的
.
故答案为:×.
| 1 |
| 10 |
| 1 |
| 10 |
=
| 9 |
| 10 |
| 11 |
| 10 |
=
| 99 |
| 100 |
即现价是原价的
| 99 |
| 100 |
故答案为:×.
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