几道数学向量填空题~(1)在四边形ABCD中,→ → →,则ABCD是(?)形.AC=AB+AD(2)化简(→ →)+(→ →)的结果是(?)AB-CD BE-DE(3)一架飞机向西飞行100KM,然后改变方向向南飞行100KM,飞机两
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![几道数学向量填空题~(1)在四边形ABCD中,→ → →,则ABCD是(?)形.AC=AB+AD(2)化简(→ →)+(→ →)的结果是(?)AB-CD BE-DE(3)一架飞机向西飞行100KM,然后改变方向向南飞行100KM,飞机两](/uploads/image/z/8546533-61-3.jpg?t=%E5%87%A0%E9%81%93%E6%95%B0%E5%AD%A6%E5%90%91%E9%87%8F%E5%A1%AB%E7%A9%BA%E9%A2%98%7E%EF%BC%881%EF%BC%89%E5%9C%A8%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%AD%2C%E2%86%92+%E2%86%92+%E2%86%92%2C%E5%88%99ABCD%E6%98%AF%EF%BC%88%3F%EF%BC%89%E5%BD%A2.AC%3DAB%2BAD%EF%BC%882%EF%BC%89%E5%8C%96%E7%AE%80%EF%BC%88%E2%86%92+%E2%86%92%EF%BC%89%2B%EF%BC%88%E2%86%92+%E2%86%92%EF%BC%89%E7%9A%84%E7%BB%93%E6%9E%9C%E6%98%AF%EF%BC%88%3F%EF%BC%89AB-CD+BE-DE%EF%BC%883%EF%BC%89%E4%B8%80%E6%9E%B6%E9%A3%9E%E6%9C%BA%E5%90%91%E8%A5%BF%E9%A3%9E%E8%A1%8C100KM%2C%E7%84%B6%E5%90%8E%E6%94%B9%E5%8F%98%E6%96%B9%E5%90%91%E5%90%91%E5%8D%97%E9%A3%9E%E8%A1%8C100KM%2C%E9%A3%9E%E6%9C%BA%E4%B8%A4)
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