(2a-7)/(a-2)
=(2a-4-3)/(a-2)
=(2a-4)/(a-2)-3/(a-2)
=2-3/(a-2)
分式的值为正整数,那么
3/(a-2)为整数且小于2
1)a-2=3,a=5
2)a-2=-1,a=1
3)a-2=-3,a=-1
(2a-7)/(a-2)
=(2a-4-3)/(a-2)
=(2a-4)/(a-2)-3/(a-2)
=2-3/(a-2)
分式的值为正整数,那么
3/(a-2)为整数且小于2
1)a-2=3,a=5
2)a-2=-1,a=1
3)a-2=-3,a=-1