有可能嗎
_________________The art of doing mathematics consists in finding that special case which contains all the germs of generality
分成三個三個討論2,8,7→8*7-2=54=9*65,9,5→9*5-5=40=8*513,4,x→4*x-13=4x-13=7*4所以x=10.25僅供參考...
這這這這這這是瞎蒙的吧!!
_________________dodo61411@yahoo.com.tw我只是苗小的幼草~~!