.已知△ABC≌△DEF,AB=3,AC=4,若△DEF的周长为偶数,则EF= 问题详情：.已知△ABC≌△DEF,AB=3,AC=4,若△DEF的周长为偶数,则EF=【回答】3或5. 知识点：全等三角形题型：填空题...
