（1）化简：2x2-1﹣1x-1；（2）解不等式2（x+1）＞3x﹣1，并将解集在数轴上表示出来．_刷题宝

题干

（1）化简：

2

x

2

-

1

﹣

1

x

-

1

；

（2）解不等式2（x+1）＞3x﹣1，并将解集在数轴上表示出来．

上一题下一题 0.0难度选择题更新时间:2014-03-21 02:12:36

答案(点此获取答案解析）

解：（1）化简：

2

x

2

-

1

﹣

1

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