Mathematics
Senior High
(3)の質問です
(α-β)二乗=(α+β)二乗-4αβ
にどうしてなるのかわからないです(;;)
月とするとき, 次の式の代を
@⑧ (@- =(e二8アー4g8 =3?一4(一1) =13
2 ッッ 表デ7 大補727
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