线段AB,在AB延长线上取点C,使BC=2AB,M是BC中点,若AB=30,求BM长
线段AB,在AB延长线上取点C,使BC=2AB,M是BC中点,若AB=30,求BM长
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数学人气:755 ℃时间:2019-11-24 05:17:17
优质解答
AB=BM=MC=1/2AB=30
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