15已知O为坐标原点,A(0,2),B(4,6),OM=t1OA+t2AB (1)求点M在第一象限或第15已知O为坐标原点,A(0,2),B(4,6),OM=t1OA+t2AB (1)求点M在第一象限或第三象限的充要条件 OM OA AB 是向量
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![15已知O为坐标原点,A(0,2),B(4,6),OM=t1OA+t2AB (1)求点M在第一象限或第15已知O为坐标原点,A(0,2),B(4,6),OM=t1OA+t2AB (1)求点M在第一象限或第三象限的充要条件 OM OA AB 是向量](/uploads/image/z/3686359-31-9.jpg?t=15%E5%B7%B2%E7%9F%A5O%E4%B8%BA%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9%2CA%280%2C2%29%2CB%284%2C6%29%2COM%3Dt1OA%2Bt2AB+%281%29%E6%B1%82%E7%82%B9M%E5%9C%A8%E7%AC%AC%E4%B8%80%E8%B1%A1%E9%99%90%E6%88%96%E7%AC%AC15%E5%B7%B2%E7%9F%A5O%E4%B8%BA%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9%2CA%EF%BC%880%2C2%EF%BC%89%2CB%EF%BC%884%2C6%EF%BC%89%2COM%3Dt1OA%2Bt2AB+%281%29%E6%B1%82%E7%82%B9M%E5%9C%A8%E7%AC%AC%E4%B8%80%E8%B1%A1%E9%99%90%E6%88%96%E7%AC%AC%E4%B8%89%E8%B1%A1%E9%99%90%E7%9A%84%E5%85%85%E8%A6%81%E6%9D%A1%E4%BB%B6+OM+OA+AB+%E6%98%AF%E5%90%91%E9%87%8F)
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