X+X+X+(X-1)+(X-2)+(X-3)+(X-4)=10(X-3)+(X-4)
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X+X+X+(X-1)+(X-2)+(X-3)+(X-4)=10(X-3)+(X-4)
X+X+X+(X-1)+(X-2)+(X-3)+(X-4)=10(X-3)+(X-4)
X+X+X+(X-1)+(X-2)+(X-3)+(X-4)=10(X-3)+(X-4)
7x-10=11x-34
-4x=-24
x=6
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分解因式----(X*X-X)(X*X-X-2)+1
】x(x+1)+x^2(x-1)
1/(1-x)+1/(1+x)+2/(1+x*x)+4/(1+x*x*x*x)+8/(1-x*x*x*x*x*x*x*x)怎么做
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