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一個數的0次幂是多少
一個數的0次幂是多少
更新时间:2026-01-25 13:29:53

  如果這個數不是0,則這數的0次幂等于1。解釋:相當于兩個相同的幂相除。例如5的零次方=5的n次方÷5的n次方=1。因為同底數幂相除,指數相減,n-n=0,所以5的零次方等于1。如果這個數是0,則這個數的0次幂無意義。

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