题目内容
(1)计算:-22+
-
;
(2)解不等式
<
+1,并把它的解集在数轴上表示出来.
1
|
| 3 | -2+
| ||
(2)解不等式
| x+1 |
| 6 |
| 2x-5 |
| 4 |
(1)原式=-4+
-
=-4+
+
=-
.
(2)去分母得,2(x+1)<3(2x-5)+12
解得x>
.
|
| 3 | -
| ||
=-4+
| 5 |
| 4 |
| 5 |
| 4 |
=-
| 3 |
| 2 |
(2)去分母得,2(x+1)<3(2x-5)+12
解得x>
| 5 |
| 4 |
练习册系列答案
相关题目