通分
0.5x+1分之x,
解,得:
==0.5x+x
==1.5x
2-x分之1,
解,得:
==2-(1/x)
==(2x/x)-(1/x)
==(2x-1)/x
x^2-(x/4)+4
解,得:
==(4x^2/4)-(x/4)+(16/4)
==(4x^2-x+16)/4
通分
0.5x+1分之x,
解,得:
==0.5x+x
==1.5x
2-x分之1,
解,得:
==2-(1/x)
==(2x/x)-(1/x)
==(2x-1)/x
x^2-(x/4)+4
解,得:
==(4x^2/4)-(x/4)+(16/4)
==(4x^2-x+16)/4