小明在电脑中设置了一个有理数的运算程序:输入数
,加*键,再输入数
,就可以得到运算:
.
(1)求
的值;
(2)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/02e82e1bdae09d4c3913c1e33c1ca5ec.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dbbd88097f84175d03e04f8496a3dc2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a19c05e74b0346ec18777d7a0e56c07.png)
23-24六年级上·山东济南·期中 查看更多[2]
更新时间:2024-01-16 15:50:38
|
相似题推荐
解答题-计算题
|
适中
(0.65)
【推荐1】计算
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e40b3d6f96c3e2e956eec4c317f57c.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2373f57c12789d2802f7b11584307ce1.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9dfbdeaeba6fee1ade0a2e2aa409a7e.png)
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb210dde73531ed2eacdf26b98093d73.png)
(5)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab0bed4394c2687a23283e95dd474b2.png)
(6)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68cc92ae8da41d4e25d5cbda127ce601.png)
(7)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bdaee6c281cfbb2431c949ffd0fa11.png)
(8)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e40b3d6f96c3e2e956eec4c317f57c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2373f57c12789d2802f7b11584307ce1.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9dfbdeaeba6fee1ade0a2e2aa409a7e.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb210dde73531ed2eacdf26b98093d73.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab0bed4394c2687a23283e95dd474b2.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68cc92ae8da41d4e25d5cbda127ce601.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bdaee6c281cfbb2431c949ffd0fa11.png)
(8)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8003797a54044a89d92202306f250fc.png)
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解答题-问答题
|
适中
(0.65)
【推荐1】我们规定用
表示数对,给出如下定义:记
,
(
,
),将
与
称为数对
的一对“对称数对”.例如:
的一对“对称数对”为
与
.
(1)数对
的一对“对称数对”是______和______;
(2)若数对
的一对“对称数对”的两个数对相同,求
的值;
(3)若数对
的一对“对称数对”的其中一个数对是
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472630cb9d24294eb39f2a08a63b3537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d379c9fc408d7172c42c30cfc9aa785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/120336b5b6af3741e413f7c8f46d934d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/736db56d00b4e51c8a77460f9c759324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b19fd2c37ec98d5372aebbfb276f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472630cb9d24294eb39f2a08a63b3537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e9c29dd2abd7ca384a1de6542f3eaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d5c371c32ec57cece158e81f8491d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5281db243658632e4100a801b350dc59.png)
(1)数对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d458168aae83b514e1a290bdc3f27e0a.png)
(2)若数对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047e82073d915a5c6ca346230215de4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(3)若数对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2228eff056ab62373dc6b3e2a22fce42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549ef8b93a2d3f62aa688ce09d76e411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解答题-证明题
|
适中
(0.65)
【推荐2】定义:对角线互相垂直的圆内接四边形称为圆的神奇四边形.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/d234d645-7690-4afe-9735-56cf3e2512d2.png?resizew=465)
(1)如图1,已知四边形
是
的神奇四边形,若
,
,则
__________;
(2)如图2,已知四边形
为
的内接四边形,连接
,
,
,
,满足
,求证:四边形
是
的神奇四边形;
(3)如图3,已知四边形
是
的神奇四边形,
,延长
,
相交于点E,若
,
,求
的长.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/d234d645-7690-4afe-9735-56cf3e2512d2.png?resizew=465)
(1)如图1,已知四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd0763b031b7e6b6d87ce3554ac482d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c85409e4c685f7dbadae2de3cf9a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32995b3d5327ca12ed93c5bd41678a4a.png)
(2)如图2,已知四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed778bb43c96fc56fcf9ccdffa980fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(3)如图3,已知四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0d7095ddd69d6ceaf1065b1bc2c79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f979d5406af7e951f386dbb55a9617eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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