哈罗 大家 已爬过文 但都没有找到满意的答案...... 以下四题想破头都想不出来 可以麻烦大家帮帮我吗??? 谢谢!!! 猴哥32题 有一个标准差的表 请恕在下手拙无法在这呈现给大家 第51题 也是图表题 第69题 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题 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 答案是两者相等 拜托大家帮帮忙Orz --

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