计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da34ea3cabad5fab76e8a1c79a8d5a9e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb9ea81865a7cdf96481b4e661383fe.png)
更新时间:2023-12-09 08:18:57
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解答题-计算题
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【推荐1】已知
,
.
(1)求
;
(2)如果
,那么C的表达式是什么?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963f727e968ac1d87154b1f6c41b545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4dedc7598cc415491cadd66494bdcbf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed6bf2e591490699444c58bb940990f.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4170c68f9f60e21c4229f582e17447.png)
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【推荐2】计算:
(1)﹣5a+(2a﹣3)﹣(3a﹣4);
(2)(x2﹣y2)﹣3(2x2﹣3y2).
(1)﹣5a+(2a﹣3)﹣(3a﹣4);
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解答题-问答题
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【推荐1】如图,在直线上作线段
,再在线段
上作线段
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/5/92bdf2c4-dab9-4e8f-ac8e-1a2b282f6a1b.png?resizew=199)
(1)用含
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的长;
(2)若M是
的中点,N是
的中点,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d42e97eee705d164e6ac6de9ecd6d1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a88b719166fcc1431f876bc8c5656c.png)
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(1)用含
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
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(2)若M是
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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名校
【推荐2】计算题.
(1)
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(2)
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(3)
.
(4)
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(5)
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(6)
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(7)
.
(8)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0312b6c17e9f8fa4c75c0644e88023.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a54b9a7ba6e9e191e896b2a2071822e7.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51be89a01ecf563d9dc2251623c4342.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3fc378a0aae67b7e9d73dec7186dbd.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88244aaa9c1b497fdbade0c20a98af8f.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d1a1374e545acd501de10ba1144284.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14058cc6ed27ce17bef6346981af4ee8.png)
(8)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d7d681d9e5cf940130bb38b13c97404.png)
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