计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d415af4a07dec7c07ce9f449a2555349.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d415af4a07dec7c07ce9f449a2555349.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a800b36c065bacb3f48d2b4fdd9a3ca.png)
更新时间:2024-01-29 13:10:08
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解答题-计算题
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适中
(0.65)
【推荐1】计算
(1)(-a4b2) 3·(-a2b3) 2;
(2)(-xmyn) 2·(xm-1yn-1) 3.
(3)
(1)(-a4b2) 3·(-a2b3) 2;
(2)(-xmyn) 2·(xm-1yn-1) 3.
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2793c6b065d0d15c41d168a3a5b1350e.png)
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解答题-问答题
|
适中
(0.65)
【推荐1】(1)
÷(x+3)×![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d202a141970e9764efd89732417052.png)
(2)﹣(﹣
)2•(﹣
)3•(
)4•(2a3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a169ae5d6a22b7416dbcb6dd9e6a251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d202a141970e9764efd89732417052.png)
(2)﹣(﹣
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7871a777d3371ca572fccc328d26947a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35447d4356ff134546ddf83c9adb992e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848d4055ca831ecde46d1b666ba9e33d.png)
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解答题-问答题
|
适中
(0.65)
【推荐2】我们给出定义:若一个分式约分后是一个整式,则称这个分式为“巧分式”,约分后的整式称为这个分式的“巧整式”.例如:
,则称分式
是“巧分式”,
为它的“巧整式”.根据上述定义,解决下列问题.
(1)下列分式中是“巧分式”的有________(填序号);
①
;②
;③
.
(2)若分式
(m为常数)是一个“巧分式”,它的“巧整式”为
,求m的值;
(3)若分式
的“巧整式”为
,①求整式A;
②当
时,求整式A的值的整数部分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67556793f09af243a4a51370e81a5122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432c73e49e2edc8cd06eb482121a3a4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a52375105b3c5a2c8b6dcad63d0ec2a6.png)
(1)下列分式中是“巧分式”的有________(填序号);
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8360a754a30028371a250b6e400923d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3a9d2543107b55e9152652c2dbb38e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/949b6a4ba4b92c54930302873b49dcf6.png)
(2)若分式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd963b7f4e25bf185b98ef5faefc147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc4ab4ce7ee9ebece6cb10fcf03285c.png)
(3)若分式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17068d74bedf5350780fc11b4cdd46e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473cde34d30af32e391194ae7cf58754.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081bce327fda551b97d45e4c7766a28f.png)
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