20分△ABC中,D为BC边上任一点,AE=1/3AD,EF=1/3EB,FG=GC,△EFG的面积为1平方厘米,求△ABC的面积.
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![20分△ABC中,D为BC边上任一点,AE=1/3AD,EF=1/3EB,FG=GC,△EFG的面积为1平方厘米,求△ABC的面积.](/uploads/image/z/1817238-30-8.jpg?t=20%E5%88%86%E2%96%B3ABC%E4%B8%AD%2CD%E4%B8%BABC%E8%BE%B9%E4%B8%8A%E4%BB%BB%E4%B8%80%E7%82%B9%2CAE%3D1%2F3AD%2CEF%3D1%2F3EB%2CFG%3DGC%2C%E2%96%B3EFG%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA1%E5%B9%B3%E6%96%B9%E5%8E%98%E7%B1%B3%2C%E6%B1%82%E2%96%B3ABC%E7%9A%84%E9%9D%A2%E7%A7%AF.)
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