问题
解答题
一双皮鞋原价200元,现因换季促销打九折出售,买这双皮鞋可便宜多少元?
答案
200×(1-90%),
=200×10%,
=20(元);
答:买这双鞋可便宜20元.
一双皮鞋原价200元,现因换季促销打九折出售,买这双皮鞋可便宜多少元?
200×(1-90%),
=200×10%,
=20(元);
答:买这双鞋可便宜20元.
选词填空。 | |
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