1/2013+1/2014-1/1007=1/2013*2014
1+1/2-1=1/2 1/3+1/4-1/2=1/12.1/5+1/6-1/3=1/30.
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相关问题
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2011常德,1/2+1/2-1=1/2,1/3+1/4-1/2=1/12,1/5+1/6-1/3=1/30… 则1/2
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已知1/2=1-1/2,1/6=1/2-1/3,1/12=1/3-1/4.计算1/2+1/6+1/12+1/201/30
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1.(1+ 1/3+ 1/5+ 1/10+ 1/15+ 1/30)+( 1/2+ 1/4+ 1/6+ 1/12+ 1/2
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1/2+1/3+1/4+1/5+1/6+1/12+1/30 简便运算
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找规律添数1加1/2-1=1/2,1/3+1/4-1/2=1/12,1/5+1/6-1/3=1/30
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1/1*2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+```+1/29*30
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(1/2+1/3+1/4+...+1/30)+(2/3+2/4+...+2/30)+(3/4+3/5+3/6+...+3
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已知:1/2+1-1/2,1/6=1/2-1/3,1/12=1/3-1/4,1/20=1/4-1/5.求1/2+1/6+
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1/2=1/1*2=1/1-1/2,1/6=1/2*3=1/2-1/3,1/12=1/3*4=1/3-1/4.
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1+1/2-2--+5/6+3+1/12-4+19/20-5+1/30+6+41/42-7-1/5