52x-x^2=100
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52x-x^2=10052x-x^2=10052x-x^2=10052x-x^2=100x^2-52x+100=0(x-50)(x-2)=0x=5052x-x^2=100x^2-52x+100=0(x
52x-x^2=100
52x-x^2=100
52x-x^2=100
52x-x^2=100
x^2-52x+100=0
(x-50)(x-2)=0
x=50
52x-x^2=100
x^2-52x+100=0
(x-50)(x-2)=0
x=50或x=2
52x-x²=100
原方程可化为
x²-52x+100=0
(x-50)(x-2)=0
所以
x-50=0或x-2=0
所以
x1=50，x2=2
x=2或是x=50
（X+X)+(X-X)+(X*X)+(X/X)=100
x-2x+3x-4x+5x.+99x-100x=25求解
2x+3x+4x+5x+x+6x+7x=100
52x-x^2=100
100x-x=52
1/X(X+1)+1/(X+1)(X+2)+1/(X+2)(X+3).+1/(X+99)(X+100)=
解方程：2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
1X+2X+3X…+98X+99X+100X=50500X X等于多少?
1x+2x+3x+4x+5x+6x+7x…+99x=100
100(X - 2) + 10X + 2X = 100*2X + 10X + X - 2 - 495
100×2x+10x+3x+216=100×3x+10×2x+x
设函数f(x)=(x-1)(x-2)...(x-100)(x>100),求F'(X)
f(x)=x(x-1)(x-2)…(x-99)(x-100),求f'(100)
解方程:x-2x+3x-4x+...+99x-100x=25
解方程：x-2x+3x-4x+.+99x-100x=25
x-2x+3x-4x+...+99x-100x=25
x+2x+3x+.+100x
f(x)=x^2+x (x