如图ad/ab=ae/ec=2/3,分别求ad/bd和ec/ae
1个回答
ad/ab=ae/ec=2/3
ad/bd=2/1
ec/ae=3/2
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D和E分别在AB,AC上,则AD/DB=AE/EC=1/2,则 BD/AB=?CE/AC=?AD/AB=?AE/AC=?