一支钢笔按65折出售后,便宜了4.2元,这支钢笔原价多少元?急················
问题描述:
一支钢笔按65折出售后,便宜了4.2元,这支钢笔原价多少元?急················
答
12元 4.5除以35%=12
一支钢笔按65折出售后,便宜了4.2元,这支钢笔原价多少元?急················
12元 4.5除以35%=12