①在△ABC和△DEF中,AB/DE=BC/EF=AC/DF=4,求△DEF的周长之比 ②m :n=1/7:1/6,n:t=1/4:1/3,则m:n:t=?①在△ABC和△DEF中,AB/DE=BC/EF=AC/DF=4,求△DEF的周长之比②m :n=1/7:1/6,n:t=1/4:1/3,则m:n:t=?
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![①在△ABC和△DEF中,AB/DE=BC/EF=AC/DF=4,求△DEF的周长之比 ②m :n=1/7:1/6,n:t=1/4:1/3,则m:n:t=?①在△ABC和△DEF中,AB/DE=BC/EF=AC/DF=4,求△DEF的周长之比②m :n=1/7:1/6,n:t=1/4:1/3,则m:n:t=?](/uploads/image/z/7050778-34-8.jpg?t=%E2%91%A0%E5%9C%A8%E2%96%B3ABC%E5%92%8C%E2%96%B3DEF%E4%B8%AD%2CAB%2FDE%3DBC%2FEF%3DAC%2FDF%3D4%2C%E6%B1%82%E2%96%B3DEF%E7%9A%84%E5%91%A8%E9%95%BF%E4%B9%8B%E6%AF%94+%E2%91%A1m+%3An%3D1%2F7%3A1%2F6%2Cn%3At%3D1%2F4%3A1%2F3%2C%E5%88%99m%3An%3At%3D%3F%E2%91%A0%E5%9C%A8%E2%96%B3ABC%E5%92%8C%E2%96%B3DEF%E4%B8%AD%2CAB%2FDE%3DBC%2FEF%3DAC%2FDF%3D4%2C%E6%B1%82%E2%96%B3DEF%E7%9A%84%E5%91%A8%E9%95%BF%E4%B9%8B%E6%AF%94%E2%91%A1m+%3An%3D1%2F7%3A1%2F6%2Cn%3At%3D1%2F4%3A1%2F3%2C%E5%88%99m%3An%3At%3D%3F)
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