两个电阻串联:=1:2,总电压为60V，则以的大小为（）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32670' and id < 2598678 and id<>'2598678' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32670' and id > 2598678 and id<>'2598678' order by id asc limit 5