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1+1=? 发表于 2025-6-25 01:51 结论一的一般情况 $x=-2p$上两个定点$A,B$,抛物线$y^2=2px$上一动点$C$,$AC,BC$分别与抛物线交于另外两点 ...
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2025-8-5 06:20 GMT+8
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