已知R1=1欧,R2=2欧,R3=3欧,将它们并联后接在某一电源上,则通

已知R1=1欧,R2=2欧,R3=3欧,将它们并联后接在某一电源上,则通过R1、R2、R3的电流之比为       

答案

6:3:2 

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