18-19八年级下·浙江·期末
1 . 计算:
(1)
.
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4c3219b3163846d7d91252c5cdc461b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cfcd9fb1ae57ec5a1256e2752b8bf18.png)
您最近一年使用:0次
19-20八年级下·浙江温州·期末
2 . 计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/869f82629e8cfa0bdfc201fe6cc046e2.png)
您最近一年使用:0次
3 . 如图,把一张面积为10的正方形纸片剪成五块(其中⑤是一个小正方形),然后恰好拼成一个长方形,则这个拼成的长方形周长为___ .
![](https://img.xkw.com/dksih/QBM/2021/5/4/2713864679178240/2714041858793472/STEM/e07070e5-061b-4400-bd00-ce0194577a8b.png)
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19-20七年级上·浙江温州·期中
4 . 请写出一个含字母a、b的三次单项式,满足下列两个条件:①当
时,它的值是无理数;②当
时,它的值是正整数.这个单项式可以是__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4a9c43fe4a339d351ffaf852e09d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3275eaf117e73ca72fd5601d36ee5439.png)
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5 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3b76dc445f42e8930bbac98fb20421.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e5b0c9154a1250c436893cc56e28c3b.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c1ffffac0bfa855544402d033151e8f.png)
(4)
(
,结果精确到0.01)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3b76dc445f42e8930bbac98fb20421.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e5b0c9154a1250c436893cc56e28c3b.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c1ffffac0bfa855544402d033151e8f.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a74bd3ef5c1eee738b2dcef5b39629.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368763128d1ad0ffad5d859fef834d0a.png)
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6 . 计算:
(1)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae6d03c7206c3e138dd4a6d90a9a89d7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4880b1510020b573c961d09c43218cae.png)
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7 . (1)解不等式组![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495241a19abde1934a0dac29e8a59683.png)
(2)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495241a19abde1934a0dac29e8a59683.png)
(2)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c7ad4c016ced22272ae424111da169.png)
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20-21七年级上·浙江杭州·期末
8 . 在学习《实数》内容时,我们通过“逐步逼近”的方法可以计算出
的近似值,得出
.利用“逐步逼近”法,请回答下列问题:
(1)
介于连续的两个整数a和b之间,且
,那么
______,
_____.
(2)x是
的小数部分,y是
的整数部分,求
______,
_____.
(3)
的平方根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a9f422b65d0621a15cf25564581e23.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20838e72faf737614d76fcee82ab6c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
(2)x是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20838e72faf737614d76fcee82ab6c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4fdc034b4d20f15869d4c79b8161a0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a3c4cc1a618d9cecea9a30473a33517.png)
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9 . 计算:(1)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b76dbf9acda9337e2cb7495fda5972d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e280357d63cbc969de86f7d76c93b675.png)
您最近一年使用:0次