(x-1/0.25)-(x/12.5)=1.(考考大家)
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(x-1/0.25)-(x/12.5)=1.(考考大家)(x-1/0.25)-(x/12.5)=1.(考考大家)(x-1/0.25)-(x/12.5)=1.(考考大家)两边乘12.550x-50-x=
(x-1/0.25)-(x/12.5)=1.(考考大家)
(x-1/0.25)-(x/12.5)=1.(考考大家)
(x-1/0.25)-(x/12.5)=1.(考考大家)
两边乘12.5
50x-50-x=15
50x-x=50+15
49x=65
x=65/49
x*x*x*x+2008x*x+2007x+2008(提示:x*x*x-1=(x-1)*(x*x+x+1))
若1+x+x*x+x*x*x=0,求x+x*x+x*x*x+.+x(2000次幂)
x-1/0.25-x/12.5=1.2 x等于多少?
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12.5-0.25X=X
x-0.25x+1=10.4x+0.25x-1
12.5%x+1=x
12.5%x+1=x
x=1+0.5x+0.25x+0.125x+0.0625x求x的值
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解方程:x(x-1)+x(2+x)=2x(x-2)
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