题目内容
峨边东方红超市0我种毛巾标价y0元,后来搞活动降价
,活动完后又涨价
.现在卖f一钱?
| 1 |
| 10 |
| 1 |
| 10 |
50×(1-
)×(1+
),
=50×
×
,
=八5×
,
=八9.5(元),
答:现在卖八9.5元.
| 1 |
| 10 |
| 1 |
| 10 |
=50×
| 9 |
| 10 |
| 11 |
| 10 |
=八5×
| 11 |
| 10 |
=八9.5(元),
答:现在卖八9.5元.
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