(1/x+1)-(1/x+2)-(1/x-3)+(1/x-4)=?算式我写错了 ,括号打错了应该是1/(x+1)-1/(x+2)-1/(x-3)+1/(x-4)
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![(1/x+1)-(1/x+2)-(1/x-3)+(1/x-4)=?算式我写错了 ,括号打错了应该是1/(x+1)-1/(x+2)-1/(x-3)+1/(x-4)](/uploads/image/z/698605-61-5.jpg?t=%281%2Fx%2B1%29-%281%2Fx%2B2%29-%281%2Fx-3%29%2B%281%2Fx-4%29%3D%3F%E7%AE%97%E5%BC%8F%E6%88%91%E5%86%99%E9%94%99%E4%BA%86+%2C%E6%8B%AC%E5%8F%B7%E6%89%93%E9%94%99%E4%BA%86%E5%BA%94%E8%AF%A5%E6%98%AF1%2F%28x%2B1%29-1%2F%28x%2B2%29-1%2F%28x-3%29%2B1%2F%28x-4%29)
(1/x+1)-(1/x+2)-(1/x-3)+(1/x-4)=?算式我写错了 ,括号打错了应该是1/(x+1)-1/(x+2)-1/(x-3)+1/(x-4)
(1/x+1)-(1/x+2)-(1/x-3)+(1/x-4)=?
算式我写错了 ,括号打错了应该是1/(x+1)-1/(x+2)-1/(x-3)+1/(x-4)
(1/x+1)-(1/x+2)-(1/x-3)+(1/x-4)=?算式我写错了 ,括号打错了应该是1/(x+1)-1/(x+2)-1/(x-3)+1/(x-4)
(1/x+1)-(1/x+2)-(1/x-3)+(1/x-4)
=1/x+1-1/x-2-1/x+3+1/x-4
=-2
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