推 george31708 :我第二題的想法比較簡單。A = 全部分法-非A. 因為至 08/28 12:24
→ george31708 :推錯篇，我推在下一篇 08/28 12:28
哈囉 大家
已爬過文 但都沒有找到滿意的答案......
以下四題想破頭都想不出來
可以麻煩大家幫幫我嗎???
謝謝!!!
猴哥32題 有一個標準差的表 請恕在下手拙無法在這呈現給大家
第51題 也是圖表題
第69題
A certain holidyis always on the forth Tuesday of MonthX. If month X has 30 days, on how many different dates of Month X can the holiday fall?
答案是7
第73題
Seven one-dollar bills are to be distributed among Lucia, Gomez, and Domingo so that each person receives at least $1
ColumnA The number of ways to distribute the bills so that at least one person receives at least $3
ColumnB The total number of ways to distribute the bills
答案是兩者相等
拜託大家幫幫忙Orz
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