下列各组线段中.能成比例的是 A. B. C. D. 查看更多

 

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下列各组线段中,能成比例的是(  )
A.3,6,7,9B.2,5,6,8
C.3,6,9,18D.11,12,13,14

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下列各组线段中,能成比例的是
[     ]
A.1cm,3cm,4cm,6cm
B.30cm,12cm,0.8cm,0.2cm
C.0.1cm,0.2cm,0.3cm,0.4cm
D.12cm,16cm,45cm,60cm

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下列各组线段中,能成比例的是( )
A.1cm,3cm,4cm,6cm
B.30cm,12cm,0.8cm,0.2cm
C.0.1cm,0.2cm,0.3cm,0.4cm
D.12cm,16cm,45cm,60cm

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下列各组线段中,能成比例的是( )
A.1cm,3cm,4cm,6cm
B.30cm,12cm,0.8cm,0.2cm
C.0.1cm,0.2cm,0.3cm,0.4cm
D.12cm,16cm,45cm,60cm

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下列各组线段中,能成比例的是( )
A.3,6,7,9
B.2,5,6,8
C.3,6,9,18
D.11,12,13,14

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