题目内容
下列各组线段中,能成比例的是
[ ]
A.1 cm,3 cm,4 cm,6 cm
B.30 cm,12 cm,0.8 cm,0.2 cm
C.0.1 cm,0.2 cm,0.3 cm,0.4 cm
D.15 cm,16 cm,40 cm,6 cm
答案:D
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题目内容
下列各组线段中,能成比例的是
A.1 cm,3 cm,4 cm,6 cm
B.30 cm,12 cm,0.8 cm,0.2 cm
C.0.1 cm,0.2 cm,0.3 cm,0.4 cm
D.15 cm,16 cm,40 cm,6 cm