若
是方程2x+y=10的解,求6a+3b﹣4的值是 ___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7da7f56372d7352f0fa8db4d95ba78.png)
更新时间:2021-12-20 14:56:38
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【推荐2】如果
,
互为相反数,
,
互为倒数,正数
的绝对值是5,则
的值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5937ae15cc4971963b170a5e31c044d.png)
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