梯形ABCD的面积比四边形ABFD大4.5平方厘米,DG=GC,BC=4.5厘米,AB=8厘米,EF=3DF,求四边形CEFG的面积图画的不太好, 请你们把算式写的简单点‘可以吗
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![梯形ABCD的面积比四边形ABFD大4.5平方厘米,DG=GC,BC=4.5厘米,AB=8厘米,EF=3DF,求四边形CEFG的面积图画的不太好, 请你们把算式写的简单点‘可以吗](/uploads/image/z/1842744-48-4.jpg?t=%E6%A2%AF%E5%BD%A2ABCD%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%AF%94%E5%9B%9B%E8%BE%B9%E5%BD%A2ABFD%E5%A4%A74.5%E5%B9%B3%E6%96%B9%E5%8E%98%E7%B1%B3%2CDG%3DGC%2CBC%3D4.5%E5%8E%98%E7%B1%B3%2CAB%3D8%E5%8E%98%E7%B1%B3%2CEF%3D3DF%2C%E6%B1%82%E5%9B%9B%E8%BE%B9%E5%BD%A2CEFG%E7%9A%84%E9%9D%A2%E7%A7%AF%E5%9B%BE%E7%94%BB%E7%9A%84%E4%B8%8D%E5%A4%AA%E5%A5%BD%EF%BC%8C+%E8%AF%B7%E4%BD%A0%E4%BB%AC%E6%8A%8A%E7%AE%97%E5%BC%8F%E5%86%99%E7%9A%84%E7%AE%80%E5%8D%95%E7%82%B9%E2%80%98%E5%8F%AF%E4%BB%A5%E5%90%97)
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