计算:(1)
(2)20170+2-2-![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f9f82b39cc1adf62725a51d4b735fa.png)
(3)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c12423f7805d06cbca79b0d294013de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f9f82b39cc1adf62725a51d4b735fa.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e99b635953bdd91a75cf742ac521ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7523bfe5fc71424a6a52befaff229e7e.png)
17-18七年级下·江苏无锡·阶段练习 查看更多[2]
更新时间:2018-04-09 18:51:51
|
【知识点】 整式的混合运算
相似题推荐
解答题-计算题
|
适中
(0.65)
【推荐2】计算:
(1)
(运用乘法公式计算);
(2)
;
(3)
;
(4)
;
(5)
;
(6)
.
(7)先化简,再求值:
,其中
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe58ce680136e252171d4d7571fe235.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477e3c5280ae8bef009dd383c30026bd.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656292aeda6d17d30b6f466dd4964d25.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054c6cbd4f122f7767ec37dea3ce349a.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30acbae1a7ac3f696f507cd6044928c4.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb1813d8d23d7f3ff4996ebdf07254f2.png)
(7)先化简,再求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3240b8b91c212ca042f37e7887fd235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0562156eaf29f8192b69c50c077ad8.png)
您最近一年使用:0次