Mathematics
Junior High
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5x+2y=√15 , 2x+5y=√3 のとき、x²-y²の値を求めなさい。
↑答えは７分の４らしいです…途中式解説お願いします！
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5x+2y=√15 , 2x+5y=√3 のとき、x²-y²の値を求めなさい。
↑答えは７分の４らしいです…途中式解説お願いします！
Users viewing this question
are also looking at these questions 😉
わかりました！ありがとうございます🙇