17/01/22 16:11:59.09 fcAQaInM.net
>>867
842 名前:１３２人目の素数さん [sage] :2017/01/22(日) 07:18:21.79 ID:VKsnepcG
>>805
-2 = (-8)^(1/3) = (-8)^(2/6) = ((-8)^2)^(1/6) = 64^(1/6) = 2
17/01/22 16:11:59.09 fcAQaInM.net
>>867
842 名前:１３２人目の素数さん [sage] :2017/01/22(日) 07:18:21.79 ID:VKsnepcG
>>805
-2 = (-8)^(1/3) = (-8)^(2/6) = ((-8)^2)^(1/6) = 64^(1/6) = 2