王明同学在学习完全平方公式时,发现
这四个代数式之间有联系,于是他在研究后提出以下问题:
(1)已知
求
的值
(2)已知
,求
的值.
(3)如图,在长方形
中,
,
,正方形
,正方形
和正方形
都在它的内部,且
.记
,
.若
,求长方形
的面积.请你解决以上问题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e3aacf2619150e8f8860247bf117b6.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea168c52f234ccff1ec55517fe3471f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b5267d8d61e3b81564280151c56ffb.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ee38b8a225379677855432125a0e15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f40c24c64bbb0645fcf585f4e66872.png)
(3)如图,在长方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6850a299395c314b8f8f2f8ca50c9895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432043f79e122f291c47453013042704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/474fa6f237d904bf46238e4fe3a59d8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d26149b0d6ca1ca3ea666af1767ee38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cb1dca3e4faf3b7b7a8c6afc7e3611.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f4d3e769f5739b4f63f03e4fca8241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b75f12a85efd024fa03dab2b711ed84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d7fd5a0aaf6cd9ec4b13f42d6b8e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59baf292af4420481dae83f11f4579ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69cd1a94b3fb47c12efdd6e1a5746808.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/13/b01356d9-a11a-4c4d-b1f9-f59a23714bc8.png?resizew=181)
更新时间:2023-08-01 18:39:33
|
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解答题-问答题
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适中
(0.65)
名校
【推荐2】解方程:
(1)25x2–36=0;
(2)(x+3)3=27.
(1)25x2–36=0;
(2)(x+3)3=27.
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐1】(1)已知
,
,①求
的值;②求
的值.
(2)设
,是否存在实数m,
能化简为
?若能,请求出满足条件的m值;若不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264b085c560bd5fc720f3a7c1fa44b0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9f817ad57fb668b829e18dfd21dc2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852e23a0022ffca4e65022de59697c15.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d255ad2da3d17ea171c154689889a34f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/758d8293079a1843769b242b9be4b751.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828c74a9f47e179c03ab10ff9963c792.png)
您最近一年使用:0次