一种商品先提价10%,再降价10%,现价与原价同样多.______.(判断对错)

2025-02-06 05:56:29
推荐回答(1个)
回答1:

1×(1+10%)×(1-10%)
=1×110%×90%
=99%
99%<1
故答案为:×.