help me!/若|ab-2|+(b-2)的平方=0,求(1/ab)+{1/[(a+1)(b+1)]}+{1/[(a+2)(b+2)]}+…+{1/[(a+2004)(b+2004)]}的值.

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help me!/若|ab-2|+(b-2)的平方=0,求(1/ab)+{1/[(a+1)(b+1)]}+{1/[(a+2)(b+2)]}+…+{1/[(a+2004)(b+2004)]}的值.
help me!/
若|ab-2|+(b-2)的平方=0,求(1/ab)+{1/[(a+1)(b+1)]}+{1/[(a+2)(b+2)]}+…+{1/[(a+2004)(b+2004)]}的值.

help me!/若|ab-2|+(b-2)的平方=0,求(1/ab)+{1/[(a+1)(b+1)]}+{1/[(a+2)(b+2)]}+…+{1/[(a+2004)(b+2004)]}的值.
若|ab-2|+(b-2)的平方=0,求(1/ab)+{1/[(a+1)(b+1)]}+{1/[(a+2)(b+2)]}+…+{1/[(a+2004)(b+2004)]}的值.
因绝对值和平方数大于等于0,所以：
ab-2=0
b-2=0
a=1
b=2
1/1*2+1/2*3+1/3*4+..+1/2005*2006
=1-1/2+1/2-1/3+1/3-1/4+...+1/2005-1/2006
=1-1/2006
=2005/2006

同上

2005/2006

help me!/若|ab-2|+(b-2)的平方=0,求(1/ab)+{1/[(a+1)(b+1)]}+{1/[(a+2)(b+2)]}+…+{1/[(a+2004)(b+2004)]}的值. (2)help me. help help help me help!help!help me help me help me help me!help me! help me,help me help me help me help me!help me! help me,help me help me help me a+b-(a^2/a-b-)-(b^2/b-a)+1的正确结果是?help me I hpoe he_.A.can help me B.help me C.helping me D.to help me Help me Help me Help me! 急 help me help me!如图：公路旁有两个高度相等的路灯AB、CD.急 !help me !help me! 如图：公路旁有两个高度相等的路灯AB、CD. 小明同学上午上学时发现路灯B在太阳光下的影子恰好落到里程碑E处他 qsmm,please help me .已知正整数a,b,c满足a^2+b^2+c^2+42＜ab+9b+8c,求a,b,c的值.370116帮忙 help me! help me