1. assume S(k) is true. 這一步是induction 要做的, 但我唔明, 如果咁assume 法, 同assume S(n) is true 有咩分別? 咁assume 左岩ge 做唔到岩ga la? 點解冇問題?
2. 我地做 n=1先 係唔係想一錯ge 話, 就可以唔做落去, 快D?
收錄日期: 2021-04-13 18:51:56
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https://hk.answers.yahoo.com/question/index?qid=20070911000051KK02502