x-0.48x=7.28

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x-0.48x=7.28
x-0.48x=7.28

x-0.48x=7.28
x-0.48x=7.28
(1-0.48)x=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列方程! X－0.48X=7.28 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*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