解方程:1/(x+10)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+9)(x+10)=2
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解方程:1/(x+10)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+9)(x+10)=2
![解方程:1/(x+10)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+9)(x+10)=2](/uploads/image/z/6475032-0-2.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A1%2F%28x%2B10%29%2B1%2F%28x%2B1%29%28x%2B2%29%2B1%2F%28x%2B2%29%28x%2B3%29%2B%E2%80%A6%E2%80%A6%2B1%2F%28x%2B9%29%28x%2B10%29%3D2)
1/(x+10)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+9)(x+10)=2
1/(x+10)+1/(x+1)-1/(x+2)+1/(x+2)-1/(x+3)+……+1/(x+9)-1/(x+10)=2
1/(x+1)=2
2(x+1)=1
2x=-1
x=-1/2
1/(x+10)+1/(x+1)-1/(x+2)+1/(x+2)-1/(x+3)+……+1/(x+9)-1/(x+10)=2
1/(x+1)=2
2(x+1)=1
2x=-1
x=-1/2
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解方程:1/(x+10)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+9)(x+10)=2
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