计算下列各题:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d8890f00e26d9eb6e13f9efbaef431.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655e683e513c950fa43dd9bdf015d3b4.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0303044355f8ebacd13452f8cd37825a.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe5d57f5ec09fd54e6fbb5e76a31bd4.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96838e196be5ede3b5fc0a277ab05811.png)
更新时间:2022-10-30 18:50:45
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适中
(0.65)
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【推荐1】对于有理数a,b,n,d,若
,则称a和b关于n的“相对关系值”为d,例如:
,则2和3关于1的“相对关系值”为3.
(1)
和5关于1的“相对关系值”为__________.
(2)若a和2关于3的“相对关系值”为10,求a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ced896fc4f92fb881ed263b49f3dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71443d2578df7721b7a99c1c006f37a2.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
(2)若a和2关于3的“相对关系值”为10,求a的值.
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解答题-计算题
|
适中
(0.65)
【推荐2】计算:
(1)
;
(2)25×
-(-25)×
+25×(
);
(3)
+
×[
+2]-
÷
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf099f92d6e8c4859796764ee0f6429.png)
(2)25×
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602baac86c2b1668ecdfadc8a5948885.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579271a2140f3d248e12be082feae211.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ffa4e8a5782902468171a74d9291228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9100f9dbd1cba0b6013b97f3fd0d1053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fde09e20ba782ca576c51e1b93b50b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1618d6e55f850b7bb320f3e08aa038.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐2】如果对于任何有理数
定义运算“
”如下:
,如
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663a61ad241d5d874c9a9362f0ee917c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff35e4e3cdc188643c46265591575c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e823ec2222a8a2397fe2833d080fc55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6eb02fbd60761b320f23ee2da7132c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ce324e461a8d789e1929f2da3115e2.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐1】计算:
(1)﹣7×
;
(2)(
)×(﹣4)×6;
(3)
.
(1)﹣7×
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83284b9c60d9ced7f2c2efd720e05cb3.png)
(2)(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f02be9b6e7829b41b7a884c8687a909.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a02904df6ec637851a61d90e2a3d6c5.png)
您最近一年使用:0次