解方程(组):
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57455b7b4d89dad2087e292c4c8de117.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/633d54e79f2b95f69091f58ef6429586.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ef0bfc1801eca733a05f7ed6ccb8ae.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09a085fcf0e227c4a789412b45883315.png)
更新时间:2024-05-12 10:16:15
|
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解答题-问答题
|
适中
(0.65)
【推荐1】解方程
(1)2(x﹣1)2=8;
(2)(x﹣2)3=﹣1.
(1)2(x﹣1)2=8;
(2)(x﹣2)3=﹣1.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,已知
,直线
交
于点M,交
于点N.点E是线段
上一点,P,Q分别在射线
,
上,连接
,
,
平分
,
平分
.
,
,则
°,
°.
(2)如图2,求
与
之间的数量关系,并说明理由.
(3)如图3,当
时,若
,
,过点P作
交
的延长线于点H.将直线
绕点N顺时针旋转,速度为每秒
,直线
旋转后的对应直线为
,同时
绕点P逆时针旋转,速度为每秒
,
旋转后的对应三角形为
,当直线
首次落到
上时,整个运动停止.在此运动过程中,经过t秒后,直线
恰好平行于
的一条边,请直接写出所有满足条件的t的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](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/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dafebaaf13781120dc57c277d0267c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf3d566704b44ea4ef1f99c37bd46902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba6e1df63e02be9fcc4e027d2a0a6e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8db072e2b6104671b82f948012fb45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f60df144dce72a2bdb020912e057e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/769284088573642b72b6fd62eb807b34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090e016b5a8ab210b4f8b765b792c070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21746e5c57b4b8f9abf21622e366be0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4baff8d48e16a2d215022e5e14c53b3.png)
(2)如图2,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a298ed3325baafd125f688496fd52e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c32805e421aec6bce3624baa0c954f1.png)
(3)如图3,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/769284088573642b72b6fd62eb807b34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/979bedc51e1ce7a1e9557c5c063e2acc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed9d9e1d7b79bb99fcc4b37499573e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e793d5df39fde7db97f079b6fd7bd3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8db072e2b6104671b82f948012fb45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc63679c80e6bd24f3a27763d545dcdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e8ac27d63ade4077fdcf7cf136cf71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb098c40d2d014760c515096af48196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bab234099db50b451eb6ec2d5b21fe1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb098c40d2d014760c515096af48196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e39f0418fd7cd82ffe754e2c34fa2f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e8ac27d63ade4077fdcf7cf136cf71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e39f0418fd7cd82ffe754e2c34fa2f8.png)
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