已知ab減一的絕對(duì)值與b減一的絕對(duì)值互為相反數(shù)求下列算式的值.
已知ab減一的絕對(duì)值與b減一的絕對(duì)值互為相反數(shù)求下列算式的值.
算式為1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+……+1/(a+2011)(b+2011)
算式為1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+……+1/(a+2011)(b+2011)
數(shù)學(xué)人氣:158 ℃時(shí)間:2019-08-19 13:35:48
優(yōu)質(zhì)解答
ab減一的絕對(duì)值與b減一的絕對(duì)值都大于零,而要互為相反數(shù),所以ab減一和b減一都是零..所以a=1,b=1...
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