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【OG20-P161-97题】
In quadrilateral ABCD above, what is the length of AB?
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勾股定理
题目讨论 (1条评论)

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199954oyjy
先用勾股算出BD=5 再用勾股算出AB=2倍根号6
0
0 回复 2022-09-29 21:34:48