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一篇英语作文 一道数学题求解答 拜托大家了 请在八点前给我答案 英语作文要求是初二的

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一篇英语作文 一道数学题求解答 拜托大家了 请在八点前给我答案 英语作文要求是初二的


解决了之后还有奖励哦
As the main characteristic of this story, Tom is surrounded by the dream and worry. For people who know something about Tom, he is smart but naughty boy because he can slove problems more quickly than others and like to make fun of other people. But,in the same time, he also would like to help others and be honest to everyone. Because of his different and diverse quality, he has lots of experience of adventure which makes his life colorful and meaningful, and that significant experience is the most attractive and impressive place around the book.
数学题:你第一问已经做了,就不在说了.
第2问:通过第一问的相似,可以得出AB:BE=BQ:EP, 而B是中点,所以BQ=PB.所以可得AB:BE=BP:PE, 三角形ABE和三角形BPE相似.所以BE²=AE·PE.
第3问:我觉得这是证明三角形ABE和三角形BEC全等,这样A点与C点重合.连接BC,因为AC是对角线,所以BC=AB, 证明全等,然后完了.