Mathematics
Senior High
Resolved
これって普通にひとつずつ展開してく感じですか？
効率いい方法ありますか？
③ 4 次の式を展開せよ。
(1) (a-b+c)(a-b-c)
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これって普通にひとつずつ展開してく感じですか？
効率いい方法ありますか？
Users viewing this question
are also looking at these questions 😉
