题目内容
化简:
+
÷
2x-6 |
x2-9 |
x2+2x+1 |
x2+x-6 |
x+1 |
x-2 |
原式=
+
•
(2分)
=
+
(2分)
=
(1分)
=1.(1分)
故答案为1.
2(x-3) |
(x+3)(x-3) |
(x+1)2 |
(x+3)(x-2) |
x-2 |
x+1 |
=
2 |
x+3 |
x+1 |
x+3 |
=
2+x+1 |
x+3 |
=1.(1分)
故答案为1.
练习册系列答案
相关题目