题目内容
（本题共两小题，每小题6分，满分12分）
（1）解不等式组：
（2）因式分解：
【答案】
（1）
解：由①得 
．··············································································· 2分
由②得 
．··················································································· 4分
不等式组解集为
．·································································· 6分
（2）解：
························································································ 2分
．·············································································· 6分
【解析】略
练习册系列答案
名师金手指领衔课时系列答案
相关题目
．
整数解。
