演變2:依次任取k個不同的小於等於N的正整數,求其和為M的概率?
所有跟帖:
• 依次任取k個不同的小於等於N的正整數的取法有A(N,k)種,求其和為M的取法有多少種? -皆兄弟也- ♂ (0 bytes) () 06/11/2010 postreply 09:40:46
• 依次任取k個不同的小於等於N的正整數的取法有A(N,k)種,求其和為M的取法有多少種? -皆兄弟也- ♂ (0 bytes) () 06/11/2010 postreply 09:40:46
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy