(1)用乘法公式计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6c470db8d6971f6d9c34af9a0b6355.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6c470db8d6971f6d9c34af9a0b6355.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e491e45ece22498a2c6b2560c10fae16.png)
更新时间:2023-05-01 19:46:57
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相似题推荐
解答题-计算题
|
较易
(0.85)
【推荐1】探究
(1)
,
;
(2)
,
;
(3)请同学们根据(1)(2)发现的规律完成下列问题.
比较大小:
(填“<”“>”或“=”);
(4)你能用简便的方法计算
的值嘛?试一试!
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/322488c703f7bd6ef94962153cfe676a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008de3bbe8296e50999b51c5d1f9aa41.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdef35c581a566004bf5b0a8dc710503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abb2b091aaeb99dedb63a6b274f2a2a.png)
(3)请同学们根据(1)(2)发现的规律完成下列问题.
比较大小:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fcef7b3fa62f7ef7b2bd7d5dd1ef07a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/201c5555fea361c8403f354dfd2a27f3.png)
(4)你能用简便的方法计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8b10fc50cb852b4021ee3a6c89d3d4.png)
您最近一年使用:0次
解答题-计算题
|
较易
(0.85)
【推荐1】计算:2﹣2﹣23×0.125+20050+|﹣1|.
您最近一年使用:0次