1 . 计算:
(1)-12020+16×2-3×|-3-1|
(2)(-a2)3·(-a3)2÷a4
(1)-12020+16×2-3×|-3-1|
(2)(-a2)3·(-a3)2÷a4
您最近一年使用:0次
2 . 计算
(1)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa3f5d3f6c708eb5fd3f868c4406c382.png)
(3)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f215fa8ab8fc428daf39a9f3fa953b2b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa3f5d3f6c708eb5fd3f868c4406c382.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a4b9a2ec125a2e7e07612dd0c9a5262.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e44285c8ea04c021914a72b1aca25a.png)
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3 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79219fc58967904135486ccedff1dcd7.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79219fc58967904135486ccedff1dcd7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81100761d937136c79ea9142fd1b4739.png)
您最近一年使用:0次
4 . 观察下面三行单项式:
x,
,
,
,
,
,
;①
,
,
,
,
,
,
;②
,
,
,
,
,
,
;③
根据你发现的规律,解答下列问题:
(1)第①行的第8个单项式为_______;
(2)第②行的第9个单项式为_______;第③行的第10个单项式为_______;
(3)取每行的第9个单项式,令这三个单项式的和为
当
时,求
的值.
x,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f90c7ea5db4abb8ed57afc31afafae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2cd3cdbd2b3bea04d4e556bfe3f5d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ee277d0f48397deea8a5a546192418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d179d0eebc01c8d2eab26958515a9c3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f39eee15fba6a102eaba890b0eb94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0aaf2b1a8b4496e913d1b26ad0941c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2edaf18c65c4c742123b3fcb0a9854b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b1304322cc862cb91cd91cdb6f45ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a1de7be323225955d960d093b758af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c972998c5b079cb6b54d910fd4739b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/710d392a67b32a2a30a4e3de880bb0b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f90c7ea5db4abb8ed57afc31afafae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7779b5fcf04170085b5d13a30713465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acff4223c1fa42981cdd958e2a4f4600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2508c2cad029b47dfe6e6237ac672fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c607bf8940a78e0dacc53be05d5dd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31438d8786279e7b88d4249aafdc1302.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
根据你发现的规律,解答下列问题:
(1)第①行的第8个单项式为_______;
(2)第②行的第9个单项式为_______;第③行的第10个单项式为_______;
(3)取每行的第9个单项式,令这三个单项式的和为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03ab99e78256024fef3749c8491f2b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbef0a1750d3f9a0ac59a7677ec833a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c1590e375b4272a8bbcc7b3402e707.png)
您最近一年使用:0次
2020-12-11更新
|
2622次组卷
|
9卷引用: 江西省赣州地区2023-2024学年七年级上学期期末数学试题.
江西省赣州地区2023-2024学年七年级上学期期末数学试题.湖北省武汉市青山区2019-2020学年七年级上学期期中数学试题湖北省武汉市梅苑学校2020-2021学年第一学期七年级期中考试数学试题(已下线)易错01 幂的乘除法与乘方运算易错-2020-2021学年七年级数学下册期末突破易错挑战满分(北师大版)(已下线)8.3 同底数幂的除法-【帮课堂】2021-2022学年七年级数学下册同步精品讲义(苏科版)(已下线)专题11 数字类规律探索-【微专题】2022-2023学年七年级数学上册常考点微专题提分精练(苏科版)(已下线)专题8.17 幂的运算(挑战综合(压轴)题分类专题)(专项练习)-2022-2023学年七年级数学下册基础知识专项讲练(苏科版)(已下线)第8章 幂的运算(基础、典型、易错、压轴)分类专项训练-【满分全攻略】2022-2023学年七年级数学下学期核心考点+重难点讲练与测试(苏科版)(已下线)专题8.10 幂的运算(全章分层练习)(培优练)-2023-2024学年七年级数学下册基础知识专项突破讲与练(苏科版)
名校
5 . 计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/920baf342e0af8c653ff3cbee82575df.png)
您最近一年使用:0次
2020-11-13更新
|
510次组卷
|
4卷引用:安徽省六安市金安区2020-2021学年九年级上学期期末数学试题
6 . 计算:(1)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/042c94f6f2288928a429c2618b48150a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe35c184ed029c319b4b6d2c4c7934df.png)
您最近一年使用:0次
7 . 化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32637c6ee7c2a04bddeff1401bf8969.png)
您最近一年使用:0次
2020-10-03更新
|
618次组卷
|
2卷引用:重庆市南开中学校2019-2020学年七年级下学期期末数学试题
8 . 计算(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b106dfc86cce88d74a532c827137ff6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b106dfc86cce88d74a532c827137ff6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6582d916ec7d1c28812cf2e206cc82.png)
您最近一年使用:0次
9 . 化简;(1) ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef059a4807a49581a86ee0aed938c7e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef059a4807a49581a86ee0aed938c7e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e4e1741c93080cca2c0edc40e2277c.png)
您最近一年使用:0次
2020-08-19更新
|
298次组卷
|
4卷引用:四川省成都市青白江区2019-2020学年七年级下学期期末数学试题
10 . (1)计算:(3x2)3•(﹣2x4)÷(﹣9x7);
(2)因式分解:﹣2m3+24m2﹣72m.
(2)因式分解:﹣2m3+24m2﹣72m.
您最近一年使用:0次