little yellow man...# Joke - 肚皮舞运动
m*s
1 楼
1,如果我要买1盒diaper,原价40/盒,用YT+YJ是这么算的吗?
40-40*(30%+20%+20%)=$12
2,如果我要买2盒diaper,原价40/盒,用YT+YJ是这么算的吗?
80-40*(30%+20%+20%)-40*(30%+20%)
=80-28-20
=$32
40-40*(30%+20%+20%)=$12
2,如果我要买2盒diaper,原价40/盒,用YT+YJ是这么算的吗?
80-40*(30%+20%+20%)-40*(30%+20%)
=80-28-20
=$32