阅读
记得一篇是说了retailer用 everyday lowing price什么什么的=0=
还有一篇是traditional cost system的不好 举例生产圆珠笔什么的
SC
好像有一题好像是这样
every student who read a book by xxx would ever want to talk with her at all time.
确定有ever=0=
数学再补一道
DS 说书店有一排书 从左往右第七本是Chinese 从右往左第七本是Russian 然后已知Chinese在Russian的左边
问一共几本书
(1) 好像是从右往左Chinese是第几本...
(2) Chinese和russian只有一本书
PS 还有数学是这样的
defective的概率是0.01 然后问10个产品 at least defective 1个的概率