Jizzler
2024-04-16T09:05:00+00:00

已知OP,OQ长度
M,N为动点,求OM+MN的最小值
初中知识,想一下午了,鱼都没摸,求最小值应该是做对称点,但是这俩长度我用不上啊,求助
Jizzler
2024-04-16T09:05:00+00:00
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