代数式
与
的值互为相反数,则
的值等于________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4256951af6d56ef8f24f0f93955b56e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f535987822869d717454200c88e53a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2023-12-28 22:13:29
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【推荐1】解方程4(x-2)=2(x+3),去括号,得__________ .移项,得_______ .合并同类项,得______ .方程两边同除以____ ,得___________ .
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【推荐2】
,
,
,
为有理数,先规定一种新的运算:
,那么
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
________ .
![](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/3fb3fc719ab27e7070f07604b67697a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7625c12a4f98134d2c5ee0927ac83c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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