Mathematics
Senior High
数学です𓆏
二枚目の写真のようになった場合
abr=−d/aを逆数にして当てはめればいいのでしょうか？またオレンジで囲んである問題の解き方のコツを教えて欲しいです！
1 = ⑫ 7要り"-っee +旭了太)
の1の17 - 26F9の値は2
明寺72 、P5 6て
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