已知:C在线段AB上,AC:CB=5:3求AC:AB及AB:CB的长
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![已知:C在线段AB上,AC:CB=5:3求AC:AB及AB:CB的长](/uploads/image/z/7628408-8-8.jpg?t=%E5%B7%B2%E7%9F%A5%3AC%E5%9C%A8%E7%BA%BF%E6%AE%B5AB%E4%B8%8A%2CAC%3ACB%3D5%3A3%E6%B1%82AC%3AAB%E5%8F%8AAB%3ACB%E7%9A%84%E9%95%BF)
已知:C在线段AB上,AC:CB=5:3求AC:AB及AB:CB的长
已知:C在线段AB上,AC:CB=5:3求AC:AB及AB:CB的长
已知:C在线段AB上,AC:CB=5:3求AC:AB及AB:CB的长
AC:AB=5:8
AB:CB=8:3
5:8 9:3
设AC=5k,CB=3k,答案就是5:8和8:3
ac:ab=5:8 ab:cb=8:3
5:8
8:3
AB是8份 AC是5份 CB是3份
AC:AB=AC:(AC+CB)=5:8
AB:CB=(AC+CB):CB=8:3
5/8 和 8/3
5:8 , 8:3
设AC为5x,设CB为3x,则AB为8x
AC:AB=5x:8x ∴AC:AB=5:8
AB:CB=8x:3x ∴AB:CB=8:3
五比八和八比三