如图,点d、e三等分△abc的ebc边.求证:ab+ac>ad+ae
如图,点d、e三等分△abc的ebc边.求证:ab+ac>ad+ae
点D,E三等分三角形ABC的BC边,求证AB+AC大于AD+AE
如图,点D,E在△ABC的边BC上,BD=CE,AD=AE,求证:AB=AC(不要用全等的解法)
如图4,已知点D、E在△ABC的边BC上,AB=AC,AD=AE,求证:BD=CE
如图,已知点D,E在△ABC的边BC上,AB=AC,AD=AE.求证:BD=CE
如图,点D,E在△ABC的边BC上,AB=AC,AD=AE.求证BE=CE
如图,点D,E在△ABC的边BC上,AB=AC,AD=AE.求证BE=CE...
已知:如图,点D,E在△ABC的边BC上,AB=AC,AD=AE.求证:BD=CE
已知:如图,点D、E在△ABC的边BC上,AD=AE,∠BAD=∠CAE.求证:AB=AC
已知:如图,点D、E在△ABC的边BC上,AD=AE,∠BAD=∠CAE.求证:AB=AC【用三线合一】
如图,点D,E在△ABC的边BC上,AB=AC,BD=CE,求证:AD=AE.
如图,D是三角形ABC的边AC上一点,∠CBD的平分线交AC于E,AE=AB,求证:AE×AE=AD×AC