已知|ab-2|+|a-2|=0,求1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+...+1/(a+2006)(b+2006)速度点啊,很急~在线等!还有几个题,谢谢了!1.已知a、b、c为整数,且|a-b|+|c-a|=1.求|c-a|+|a-b|+|b-c|的值。2.化简|3-π|+|π-4|3.式子a/|a|+b/|

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