[請益] 一題三角形的題目
今天翻到一個題目,但是竟然卡住想不出來,
偏偏又剛好找不到那個題目的解答,因此上來向板上高手老師請教。
問題是這樣:
三角形ABC的周長為60,
__ __ __
內有一點P,如欲使AP+BP+CP為最小,
__ __ __
則AP+BP+CP=?
謝謝各位高手的指點。
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