△ABC是等边三角形,分别延长CA,AB,BC到A',B',C',使AA'=BB'=CC'=AC,若△ABC的面积为1,则△A'B'C的面积为
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![△ABC是等边三角形,分别延长CA,AB,BC到A',B',C',使AA'=BB'=CC'=AC,若△ABC的面积为1,则△A'B'C的面积为](/uploads/image/z/1562357-29-7.jpg?t=%E2%96%B3ABC%E6%98%AF%E7%AD%89%E8%BE%B9%E4%B8%89%E8%A7%92%E5%BD%A2%2C%E5%88%86%E5%88%AB%E5%BB%B6%E9%95%BFCA%2CAB%2CBC%E5%88%B0A%27%2CB%27%2CC%27%2C%E4%BD%BFAA%27%3DBB%27%3DCC%27%3DAC%2C%E8%8B%A5%E2%96%B3ABC%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA1%2C%E5%88%99%E2%96%B3A%27B%27C%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA)
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