问题
解答题
化简:
|
答案
原式=
÷(y-3 4y-8
-(y+2)(y-2) y-2
)5 y-2
=
÷y-3 4y-8
=y2-9 y-2
×y-3 4(y-2) y-2 (y+3)(y-3)
=1 4(y+3)
=
.1 4y+12
化简:
|
原式=
÷(y-3 4y-8
-(y+2)(y-2) y-2
)5 y-2
=
÷y-3 4y-8
=y2-9 y-2
×y-3 4(y-2) y-2 (y+3)(y-3)
=1 4(y+3)
=
.1 4y+12