[中學] 該怎麼解釋錯在那裡?
http://ppt.cc/nKUx
我能理解這樣的解法是錯的~
如果用線性規劃的解法去做
顯然~ 不等式的加加減減是錯的..
想與網友分享一下,該怎麼去解釋
才是一個好的說法,比較讓學生容易理解
謝謝大家的回應哦...^^
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