题目内容
一种商品,先降价
,在提高
,最后的售价( )原价.
| 1 |
| 10 |
| 1 |
| 10 |
| A.大于 | B.等于 | C.小于 |
1×(1-
)×(1+
)
=1×
×
=
×
=
;
<1;
答:最后的售价小于原价.
故选:C.
| 1 |
| 10 |
| 1 |
| 10 |
=1×
| 9 |
| 10 |
| 11 |
| 10 |
=
| 9 |
| 10 |
| 11 |
| 10 |
=
| 99 |
| 100 |
| 99 |
| 100 |
答:最后的售价小于原价.
故选:C.
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