图为某电路的一部分，两个支路的电流分别为，则图中电流表的读数为（） 

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32677' and id < 2599447 and id<>'2599447' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32677' and id > 2599447 and id<>'2599447' order by id asc limit 5