解方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/984c795b2792ad5f7ecb364a097b1698.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052823ca0189b1136396b0442554df73.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
其中(1)处依据是等式的性质__ (2)处依据是等式的性质_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/984c795b2792ad5f7ecb364a097b1698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e125c734dc0c0dff8487ed809894696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052823ca0189b1136396b0442554df73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7c4d1433ec3299a3666eaefda27863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
其中(1)处依据是等式的性质
更新时间:2024-03-14 22:05:45
|
相似题推荐
填空题
|
容易
(0.94)
【推荐2】若5x = 4x –7,那么5x– __________ = –7,变形依据是 ____ .
您最近一年使用:0次
填空题
|
容易
(0.94)
【推荐1】规定:用
表示大于m的最小整数,如
,
,
,用
表示不大于m的最大整数,例如:
,
,
.如果整数x满足关系式
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a2160512af683837a8dcd9452d9146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d7268734a762af75b9e9ed54ab4260d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9cc8cda18a08ad3a6012cf03a4d6050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e18a12e71bef8c7fb156b5579c403e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23145dde872b37ef225d66504b43e21b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45676a8ea316dfe5088d8ccbd4f23570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29af2d49384286f2c948b7f57697c6ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe433ad9925f6f9e4e1bdbe45969cd41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb83714c1d74cf55fca0c06693be36e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
填空题
|
容易
(0.94)
【推荐2】已知关于x的方程x2+3x-m=0的一个根为-3,则m=_______ .
您最近一年使用:0次