请根据图示的对话解答下列问题.
______,
______.
(2)已知
,求
的值.
已知
与
互为相反数
与
互为倒数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b962fa46f533a4e1b47d5363e1bb5d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019d4ad2e3fb4a7abb66e0e9e55b556.png)
更新时间:2024-03-04 06:54:40
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解答题-问答题
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【推荐1】已知有理数a与b互为相反数且
,c与d互为倒数,e与
在数轴上表示的点相距4个单位长度,求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
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【推荐2】判断下列说法是否正确:
(1)
是相反数;
(2)
是相反数;
(3)3是
的相反数;
(4)
与
互为相反数.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21383e21a15b343a49925ad7753630d.png)
(3)3是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21383e21a15b343a49925ad7753630d.png)
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解答题-问答题
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【推荐1】已知
与
互为相反数,
互为倒数,
的绝对值为4,求
的值.
![](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/ca31577dd76afbc1b720cdcad88ffd16.png)
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解答题-计算题
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【推荐2】若a,b互为相反数,c,d互为倒数,x的绝对值为4,求代数式
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa8ce5d648375e2ebca49c8ba3f39f.png)
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解答题-计算题
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【推荐1】对于任何数,我们规定:
=ad﹣bc.例如:
=1×4﹣2×3=4﹣6=﹣2.
(1)按照这个规定,请你化简
;
(2)按照这个规定,请你计算:当
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的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7af2b2ab1ef057c3e6e10b122dd8dbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/834cfcc9be9ae93fc1b4d4fa4694b0d4.png)
(1)按照这个规定,请你化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe58f2cbc2f8c777a165780805e67249.png)
(2)按照这个规定,请你计算:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7be7b520ecfa1c6584027ac866776a68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f94c15616bf6076f541a8890fb866815.png)
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