Mathematics
Junior High
Resolved
(2a²－3ab＋b²)(a³＋2a²b－b³)の問題についてです。
どこで計算ミスをしていますか？
5a-b +15メー5
(2-3ab t)ca3t2ab-ゲ)
20十tb-2デ-306ab)+3abtabea b
ニ2a t'tat5-3at)-Saeb2ャ3abtニ6
atb
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