试题与答案

(1)解方程:32-13x-1=56x-2(2)先化简,再求值.aa-1÷a2-

题型:解答题

题目:

(1)解方程:
3
2
-
1
3x-1
=
5
6x-2

(2)先化简,再求值.
a
a-1
÷
a2-a
a2-1
-
1
a-1
,其中a=2.

答案:

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答案:D

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