如果
,则
,例如:
,则
.
(1)根据上述规定,若
,求x的值;
(2)记
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc1434858c22f0938433f261269ea04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d74fb8a902e0cbb2a35fc8e364ba069.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ab4fd1bd0e7cd4feacab0680bcea4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feae878a430a1b23774127547d842cb6.png)
(1)根据上述规定,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9849666506bf777b2c53c921a396f8df.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffdba4b2f99932b04478d1436287ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2abe10f9e7ba6ca1a84af57a6f51e1df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08119b520b3bbda611af7f74a66e037b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/534bc795d91314f3a4fd1bd06c1f1d84.png)
23-24八年级上·湖北·周测 查看更多[2]
更新时间:2023-11-23 22:10:55
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【推荐1】已知当
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(1)判断点
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(2)若点
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(1)判断点
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(2)若点
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名校
【推荐2】(1)先化简再求值:
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cae0cd8088a46d9c06b4c8863966fb0.png)
(2)对于有理数a、b定义一种运算:
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9e6b66461a4500c0038cb79d803dab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cae0cd8088a46d9c06b4c8863966fb0.png)
(2)对于有理数a、b定义一种运算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745d49ec099eeadfaadf3fe90e90b8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c44237ef618cda28e9f34afbbb56d63.png)
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【推荐1】规定两数a,b之间的一种运算,记作
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(1)根据上述规定,填空:
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26bbccb1995df4ec7357c35001780df4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d74fb8a902e0cbb2a35fc8e364ba069.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c093a866a413b67b19a0f5ddcb25b256.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feae878a430a1b23774127547d842cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa218fbe74217638d7690ae829c0f7d9.png)
(1)根据上述规定,填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7c97892d03825039155655ffcfa2da4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6daaec830ef2db81b35b5c3465ec443a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4bc3dba97cc9201c914d5d244614253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c75ad74d602f789a2b8d8a54154474f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513173b93cc3526d4fe7efc7c7cc1491.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a14797fb2049ef07e065d47e4da54c.png)
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解答题-计算题
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适中
(0.65)
【推荐2】计算
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(1)已知:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/693ca4c6b45d64e52e1e7ce8e1b64020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6028cbe6a445a3019040912910696f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1842c8e362fda7c6c66a1f732bb630a9.png)
(2)已知:3x+5y=8,求
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解答题-计算题
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适中
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【推荐1】已知
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(1)求
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(2)求
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(3)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
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解答题-问答题
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适中
(0.65)
【推荐2】若
(
且
,
是正整数),则
.
你能利用上面的结论解决下面的2个问题吗?试试看,相信你一定行!
①如果
,求
的值;
②如果256x=32·211,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113295f63c75866fcba144af609b8f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a4480988244a9d04ec293975db2cc0.png)
你能利用上面的结论解决下面的2个问题吗?试试看,相信你一定行!
①如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2925afc1a460b95a5790eb862bfe4654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
②如果256x=32·211,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解答题-问答题
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适中
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【推荐2】若
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(1)如果
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(2)如果
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您最近一年使用:0次