计算
(1)若
与
互为相反数,求
的立方根;
(2)如图,直线AB
CD,BC平分∠ABD,∠1=65°,求∠2的度数.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a342b4eb7a43a37872781c52c4026ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e7f956bcf4379c95e2b36cdff37a21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2009ccbd3332c9a2279669ebbe9809bf.png)
(2)如图,直线AB
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://img.xkw.com/dksih/QBM/2022/6/14/3001018235633664/3078595585949696/STEM/db020df150c84ab69592196ba351c487.png?resizew=156)
更新时间:2022-10-02 00:01:39
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解答题-问答题
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适中
(0.65)
【推荐1】如图,平面直角坐标系中,A(a,0),B(0,b),C(0,c),
,
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![](https://img.xkw.com/dksih/QBM/2021/4/19/2703277614710784/2704612509941760/STEM/0678711f-8ba1-425d-8c7d-395aa44e60cb.png)
(1)求△ABC的面积;
(2)如图2,点A以每秒m个单位的速度向下运动至A',与此同时,点Q从原点出发,以每秒2个单位的速度沿x轴向右运动至Q',3秒后,A'、C、Q' 在同一直线上,求 m的值;
(3)如图3,点D在线段AB上,将点D向右平移4个单位长度至E点,若△ACE的面积等于14,求点D坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d965397732b87ae87421ecb27171fc08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9627364e800832b4b9779443eef6e62f.png)
![](https://img.xkw.com/dksih/QBM/2021/4/19/2703277614710784/2704612509941760/STEM/0678711f-8ba1-425d-8c7d-395aa44e60cb.png)
(1)求△ABC的面积;
(2)如图2,点A以每秒m个单位的速度向下运动至A',与此同时,点Q从原点出发,以每秒2个单位的速度沿x轴向右运动至Q',3秒后,A'、C、Q' 在同一直线上,求 m的值;
(3)如图3,点D在线段AB上,将点D向右平移4个单位长度至E点,若△ACE的面积等于14,求点D坐标.
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解答题-证明题
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适中
(0.65)
【推荐2】如图,在平面直角坐标系中,已知
且a、b满足
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/d0757f95-c7d8-4287-a139-08ca0001d6b1.png?resizew=270)
(1)求a,b的值;
(2)求证:
;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf091feba227cdd2acce151256d953f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f419eff778c6503da78a23d0732c5730.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/d0757f95-c7d8-4287-a139-08ca0001d6b1.png?resizew=270)
(1)求a,b的值;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b55366721a178cdf3b5c3a7434456d90.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09785a454d62cbbd2e16ed61ed172a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c122873803fb37d6d916b1d919c08ba5.png)
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【推荐1】已知,如图所示,直线AB,CD相交于点O,OE平分
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f91270ddbe1cf3c1362e1b95aee14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e1e2a60c37ebc303d4fc2bf3d6a234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7cb1c21aedc35d1a20ffb2bed2a74e.png)
(1)试判断OF与OE的位置关系,并说明理由.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778d3556c2454a733a15629af5c2444f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/17/686cb98a-e069-4255-b918-fc4ce40616df.png?resizew=279)
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解答题-问答题
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适中
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【推荐2】如图所示,直线
、
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平分
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![](https://img.xkw.com/dksih/QBM/2020/9/27/2558833687027712/2561184061300736/STEM/3b5bb987a0c54a61a61163f39c0fd97b.png?resizew=234)
(1)
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(2)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ffe7a8f9ba966c0beca0c5f79808039.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307bd991211ec79b47a4be52933bb8e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418ebb89d29f4f631b055c911e8d178a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575c21eddf78356cc68c53e6e3805fb7.png)
![](https://img.xkw.com/dksih/QBM/2020/9/27/2558833687027712/2561184061300736/STEM/3b5bb987a0c54a61a61163f39c0fd97b.png?resizew=234)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7307ac7510cf35f74337d368b94da4e5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/861d02330f6bad86f5bcdfd8141ca626.png)
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