8.(X+0.4)=8.5
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8.(X+0.4)=8.58.(X+0.4)=8.58.(X+0.4)=8.58.(X+0.4)=8.58x+3.2=8.58x=5.3x=0.6625
8.(X+0.4)=8.5
8.(X+0.4)=8.5
8.(X+0.4)=8.5
8.(X+0.4)=8.5
8x+3.2=8.5
8x=5.3
x=0.6625
8.(X+0.4)=8.5
(x+x)+(x-x)+(x/x)=11.2
(18+x)-0.4x=19.2 求x
7.72-x=1.8(x+0.4)
0.8X(x-0.4)=8
x^2=(0.4X)(0.
x*x*x*x+2008x*x+2007x+2008(提示:x*x*x-1=(x-1)*(x*x+x+1))
6x-2(340-3x)=220 18+0.4x=22.2-x
6x-2(340-3x)=220 18+0.4x=22.2-x
若1+x+x*x+x*x*x=0,求x+x*x+x*x*x+.+x(2000次幂)
x-0.8x=0.4x=?
请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360
x/(120-x)=x/60
已知x除以(x*x-x+1)=7,求x*x除以(x*x*x*x+x*x+1)的值
X+5x=8.
X-0.4X=36
X+0.4X=21
X-0.4X=0.54