如图。O为四分之一圆的圆心。角B为直角 DO=15, AO=20
求BD, AB。

如图。O为四分之一圆的圆心。角B为直角 DO=15, AO=20
求BD, AB。

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下面原题的所有解法这题也适用,只不过换两未知数
-万斤油-
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05/08/2022 postreply
07:21:38
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好像可以任意组合,给出两个求另外两个。
-wxcfan123-
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05/08/2022 postreply
10:23:45
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