x=1+0.5x+0.25x+0.125x+0.0625x求x的值
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x=1+0.5x+0.25x+0.125x+0.0625x求x的值
x=1+0.5x+0.25x+0.125x+0.0625x求x的值
x=1+0.5x+0.25x+0.125x+0.0625x求x的值
x=1+0.5x+0.25x+0.125x+0.0625x
x=1+1/2x+1/4x+1/8x+1/16x
x=1+(8+4+2+1)/16*x
1/16*x=1
x=16
x=1+0.5x+0.25x+0.125x+0.0625x
-1=x+0.5x+0.25x+0.125x+0.0625x
-1=x(1+0.5+0.25+0.125+0.0625)
x=-1/((1+0.5+0.25+0.125+0.0625)
x=1+0.5x+0.25x+0.125x+0.0625x求x的值
(0.5x+1)+(0.25x+0.5)+(0.125x+2.25)=x怎么解,
x-0.25x+1=10.4x+0.25x-1
X(X-1)=X
求x:|x|-|x-4|=0.5x-1
求1/2x^2-1/4x+0.2x^3+0.25x-0.5x^2-1/5x^3+0.5x-1 其中x=12/13
求1/2x^2-1/4x+0.2x^3+0.25x-0.5x^2-1/5x^3+0.5x-1 其中x=12/13
x+y/0.75 +x/0.5=8 2x/0.25+1-2y/0.125=8
先化简再求值先化简再求值:(x-x/x+1)(x+1/x^2+4x+4)(x^2-4/x^2-2x),其中x=-0.5
x>=1,x
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
(X+X)+(X-X)+(X*X)+(X/X)=100
(x+2)(x-1)+(x+3)(x+1)=x·x-1 求x (5x-4)(2x+5)(3x-6)(2x-4)=(2x-4)(2x+5)·0.5 求x
x*x*x*x+2008x*x+2007x+2008(提示:x*x*x-1=(x-1)*(x*x+x+1))
x/x平方-x+2=2x/x+1
(X+1)X(X+2)X(X+3)=504
一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X