奥数题吧 关注:1,822贴子:22,629
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IP属地:北京1楼2012-07-09 09:16回复

    Lookat the picture,△ABC is divided by BE and DC.If S△BDF=5,S△BCF=10,S△CFE=6.Then S△ABC=?


    IP属地:北京2楼2012-07-09 09:28
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