Mathematics
Senior High
Resolved
高二の問題です
解き方と答えがわかる方がいれば教えて頂きたいです💦
1
(1) (a+b+c) (a+b+c²ab-bc-ca) /r
(²1 a²³b²³+ c³³-3abc #10 RATI
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めちゃくちゃ助かりましたm(_ _)m