1、Solve the recurrence relation an=an-1+ an-2 with a0= a1=1 using generating function. 2、Determine the number of the terms in the expansion of (x1+ x1+⋯+ x10)20.3、将 m 个无区别的球，放入n 个有区别的盒子，在允许有空盒和不允许有空盒两种情况下分别讨论可...

时间:2024-11-29 03:59栏目:行业资料