1/2-(1/3-1/2)-(1/4-1/3)-91/5-1/4)- -(1/100-1/99) 急急急急急急急,是括号,不是绝对值

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回答者:网友
1/2-(1/3-1/2)-(1/4-1/3)-91/5-1/4)- -(1/100-1/99) =1/2+1/2-1/3+1/3-1/4+1/4-1/5+....1/99-1/100 =1-1/100 =99/100

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其他回答
1/2-(1/3-1/2)-(1/4-1/3)-(1/5-1/4)- -(1/100-1/99) =1/2+1/2-1/3+1/3-1/4+1/4-1/5+....1/99-1/100 =1-1/100 =99/100
回答者:网友
其他回答
1/2 1/2-1/100=99/100
回答者:网友
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