X-1/5-5=7.28 X=?

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X-1/5-5=7.28X=?X-1/5-5=7.28X=?X-1/5-5=7.28X=?X-1/5-5=7.28x-0.2-5=7.28x=7.28+0.2+5x=12.48x=12.48(x-1)

X-1/5-5=7.28 X=?
X-1/5-5=7.28 X=?

X-1/5-5=7.28 X=?
X-1/5-5=7.28
x-0.2-5=7.28
x=7.28+0.2+5
x=12.48

x=12.48

(x-1)/5=7.28+5
(x-1)/5=12.28
x-1=5×12.28
x-1=61.4
x=61.4+1
x=62.4

x.x-5x+1=0,那么x.x+1/x.x 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) x(x-2)-2x(x+1)-3x(x-5) 其中x=负½ (x-3/x-2)-(x-2/x-1)=(x-5/x4) -(x-4/x-3) x(x+1)+(x+2)+(x+3)+(x+4)+(x+5) = 27求x f(x,-x)=x^2+2x,fx(x,-x)=5x+1,则fy(x,-x)= x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=? 提取公因式:已知x*x-5x+1=0 求x*x*x-4x*x-4x-1 已知3x*x-x=1,求6x*x*x+7x*x-5x+2000 x+1=5x,x= 写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4 用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+. (x+7)(x+5)-(x+1)(x+5)=42 5x/x(1+x)=6/1+x x+x+1=(10x+x+1)×5 5/x²+x-1/x²-x=0 2x(x-1)-x(2x-5)=15 X-5+8*X=7*X-2*X-1