在线段AF中,AB=BC=CD=DE=EF,下面的四个式子中,哪一个是比例?(1)AB:BC=AC:DE (2)AE:CD=BF:BE(3)AC:BC=EF:DF (4)AD:BC=CF:EF
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![在线段AF中,AB=BC=CD=DE=EF,下面的四个式子中,哪一个是比例?(1)AB:BC=AC:DE (2)AE:CD=BF:BE(3)AC:BC=EF:DF (4)AD:BC=CF:EF](/uploads/image/z/3722788-28-8.jpg?t=%E5%9C%A8%E7%BA%BF%E6%AE%B5AF%E4%B8%AD%2CAB%3DBC%3DCD%3DDE%3DEF%2C%E4%B8%8B%E9%9D%A2%E7%9A%84%E5%9B%9B%E4%B8%AA%E5%BC%8F%E5%AD%90%E4%B8%AD%2C%E5%93%AA%E4%B8%80%E4%B8%AA%E6%98%AF%E6%AF%94%E4%BE%8B%3F%EF%BC%881%EF%BC%89AB%EF%BC%9ABC%3DAC%EF%BC%9ADE+++++++++++++++++++%EF%BC%882%EF%BC%89AE%EF%BC%9ACD%3DBF%EF%BC%9ABE%EF%BC%883%EF%BC%89AC%EF%BC%9ABC%3DEF%EF%BC%9ADF++++++++++++++++++++++%284%29AD%EF%BC%9ABC%3DCF%EF%BC%9AEF)
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在线段AF中,AB=BC=CD=DE=EF,下面的四个式子中,哪一个是比例?(1)AB:BC=AC:DE (2)AE:CD=BF:BE(3)AC:BC=EF:DF (4)AD:BC=CF:EF
在线段AF中,AB=BC=CD=DE=EF,下面的四个式子中,哪一个是比例?
(1)AB:BC=AC:DE (2)AE:CD=BF:BE
(3)AC:BC=EF:DF (4)AD:BC=CF:EF
在线段AF中,AB=BC=CD=DE=EF,下面的四个式子中,哪一个是比例?(1)AB:BC=AC:DE (2)AE:CD=BF:BE(3)AC:BC=EF:DF (4)AD:BC=CF:EF
选D
AD:BC=CF:EF=3:1
其它选项都不对