11.1x+x=3.
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11.1x+x=3.
11.1x+x=3.
11.1x+x=3.
11.1x+x=3.63
(11.1+1 )x=3.63
12.1x=3.63
12.1x除以12.1= 3.63除以12.1
x= 0.3
11.1x+x=3.
(X+X)+(X-X)+(X*X)+(X/X)=100
X+13%X-28%X=3.
x*x*x*x*x=80000?
4x+x=3.
3.6x-x=3.
x+15%x=3.
3道简单的分式方程,1.3/(1-x^) = 2/(1+2x+x) - 5/1-2x+x^2.5x/(x^+x-6) + (2x-5)/(x^-x-12) = (7x-10)/(x^-6x+8)3.(x+1)/(x+2) + (x+6)/(x+7) = (x+2)/(x+3) + (x+5)/(x+6)
x*x*x=504 x*x*x=504
(x+x)+(x-x)+(x/x)=11.2
f(x)=x,x
x+x=x+15
X(X-1)=X
180=( )x( )x( )x( ) ×( )
X(X的2次方-6X-9)-X(X的2次方-8X-15)+2X(3-X),其中X=1/3. 先化简,再求值
(x+30)*(x-18)=x*x
x+ x+(x*50%)=1.5X?
f(x)=x^2+x (x