[數學]銷售員報告是否正確?
由 J+W 於 星期二 五月 02, 2006 12:46 pm
#ed_op#DIV#ed_cl#一家商店舉行一次A.B.C商品特價銷售 有位銷售員報告#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#當天有50位顧客消費#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#30位買A產品#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#20位買B產品#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#35買C產品#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#14位買A和B產品#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#15位買B和C產品#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#22位買A和C產品#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#10位買ABC產品#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#請問,這位銷售員報告正確嗎?#ed_op#/DIV#ed_cl#