X-0.4X=36
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X-0.4X=36
X-0.4X=36
X-0.4X=36
X-0.4X=36
0.6X=36
X=60
即0.6X=36
X-0.4X=36
0.6X=36
X=36/0.6
X=60
X-0.4X=36
(X+X)+(X-X)+(X*X)+(X/X)=100
x-0.8x=0.4x=?
10x -6.2x-2x=36 x=?
10x+(10-x)-36=10(10-x)+x
x+2x×10=10x+2x+36
解方程:(x+2)(x+2)-x*x=36
(X/10)(X/10)=(6-X*X)/36
x*x+2*x+1=36,x怎么解,
X+0.4X=21
X-0.4X=0.54
x-0.4x=0.
0.4X=X-50
X-0.4x=0.39
x*x*x*x*x=80000?
36-x=9-x
x-0.2x=36
(180x-36*x)/(x+2x)*2x=(180x-36*x)/(x+2x)*x+36x 这个怎么解啊····