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Clearnote
Q&A
Junior High
動点と2次方程式の問題です。 2次方程式の...
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Junior High
over 9 yearsago
きてぃ
動点と2次方程式の問題です。
2次方程式の解き方が分かりません!
Answers
ゲスト
over 9 yearsago
途中式で、両辺に4をかけたあとの約分などが抜けてますよ!
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