
[中學] 橢圓

求詳解~~
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推
06/17 09:13, , 1F
06/17 09:13, 1F
推
06/17 19:53, , 2F
06/17 19:53, 2F
推
06/18 11:20, , 3F
06/18 11:20, 3F
→
06/18 11:20, , 4F
06/18 11:20, 4F
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