定价是160元.120(成本)X20%=24(利润)+120的成本=144(折后价)X0.9因为打的九折=16(打折的钱)+144的折后价=160元定价!
最新问答: The students in our class always exercise a lot. 宇宙的能量有多大? Is Jack getting on well with his classmate -__,and he never_ 暑假发生的一件事作文800字,急 一句话一辈子的阅读答案 I knew he was a strange person.I had been warned about him. 1.对于初速度为零的匀速直线运动,不正确的是: 不仅它有没有语病不仅它.也是.怎么改 已知正方体一个面的面积是81平方厘米,他的棱长是多少厘米?表面积有多大? Gun cmtrol is a subject___ Americans have argued for a long 如果在角的内部以角的顶点为端点作n条射线,一共有几个角?(请写出公式,并说明为什么?) 证明:若0 Mr Qian is a (know)scientist in our country 与盐酸反应产生相同的CO2需CaCO3 NA2CO3 NAHCO3的质量最大的是什么? 若函数y=(m*2+2m-7)x*2+4x+5是关于x的二次函数,则m的取值范围 解方程:2x平方根+4=x+2×2平方根 The moment the 28th Olympic Games ________ open,the whole wo 光纤通信的特征是由什么媒体决定的? The book is so interesting that we like to read it.The book Everything will be new when the first sunlight touches me.这句