X-0.48X=7.28
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X-0.48X=7.28X-0.48X=7.28X-0.48X=7.28X-0.48x=7.28解;(1-0.48)x=7.280.52x=7.28x=7.28/0.52x=14检验;将x=14代入得
X-0.48X=7.28
X-0.48X=7.28
X-0.48X=7.28
X-0.48x=7.28
解;(1-0.48)x=7.28
0.52x=7.28
x=7.28/0.52
x=14
检验;将x=14代入得
14-0.48x14=7.28
7.28=7.28
故正确
X-0.48X=7.28
0.52x=7.28
x=7.28÷0.52
x=14
X-0.48X=7.28
x-0.48x=7.28
x-0.48x=7.28
x-0.48x=7.28列方程!
x-0.48x=7.28方程
(X+X)+(X-X)+(X*X)+(X/X)=100
x-0.48x=4.68
x-0.52x=0.48
X-0.48X=0.78
X-0.48X=0.
x-0.48x=20.8
x-0.48x=7.2
x*x*x*x*x=80000?
X×X-3X+1=0求分式X×X÷〈X×X×X×X+3X×X+1〉
x+2/x+3-x+1/x+2=x+8/x+9-x+7/x+8
x*x*x=504 x*x*x=504
(x+x)+(x-x)+(x/x)=11.2
f(x)=x,x