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)
19-20七年级下·甘肃白银·期末 查看更多[2]
甘肃省白银市平川区第四中学2019-2020学年七年级下学期期末数学试题(已下线)专题16 幂的混合运算特训40道-【微专题】2022-2023学年七年级数学下册常考点微专题提分精练(苏科版)
更新时间:2020-09-01 22:35:09
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适中
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【推荐1】计算:
(1)7÷(-
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-
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(2)2a-3b+[4a-(3a-b)];
(3)(-x2)4+x3·x5-(3x4)2;
(4)(-
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(1)7÷(-
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(2)2a-3b+[4a-(3a-b)];
(3)(-x2)4+x3·x5-(3x4)2;
(4)(-
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适中
(0.65)
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【推荐2】(1)
-
-
×
;
(2)
;
(3)(a-2b+5)(a+2b-5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d25d7c9aefd8d5b893d2467fb4b6096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d047c2237f589f40a15151eb540c51.png)
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(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083ea88d56454428d92481d991744aaf.png)
(3)(a-2b+5)(a+2b-5)
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适中
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【推荐1】计算:
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(2)(﹣2a)2•b3+12a2b2.
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解答题-计算题
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适中
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【推荐2】计算
(1)计算:
.
(2)先化简,再求值:
,然后从-2、2、-3、3中选择一个合适的数作为
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(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b38ad7e11010f2844462e7e0f4f4617.png)
(2)先化简,再求值:
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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