Mathematics
Senior High
4の解き方が分かりません！教えてください！
の C Ip
4 (還形と内積) 1 辺の長さが 2 の正方形 ABCD の辺CD の中点をとす
るとき, 次の内積を求めよ。 上
xn) ABBC (2② AB:AC ⑬) AB.GD (⑩ Ba
CK
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