计算题
(1)
;
(2)已知
是锐角,且
,计算
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04707a42d6d9acee32b947825632efc8.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1008fe7815a9e94f4dcbb4a684b5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64cf7e3a90c7ed5ce896656577f2018e.png)
更新时间:2021-12-04 17:55:55
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解答题-计算题
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适中
(0.65)
【推荐2】((1)(2)小题计算,(3)(4)小题因式分解)
(1)
;
(2)(x﹣2y)(3x+2y)﹣
;
(3)9
(x﹣y)+4
(y﹣x) ;
(4) a
+2
x+
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a19452a571b5b176ed3f185595f46f81.png)
(2)(x﹣2y)(3x+2y)﹣
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2822e6c0e7417d8325db43e032ec575b.png)
(3)9
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8cc0b4997cae4d8aec791a1d3923314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a881309775c3b6a9f4ed408838666342.png)
(4) a
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8cc0b4997cae4d8aec791a1d3923314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b367f647833446cf684c3ddedb1592.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐1】计算或解方程:
(1)计算:
①
;
②
;
(2)解方程:
.
(1)计算:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527c42c451e31487384f44c9b1e06dd9.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27036899b4ba84265177d0fc589582eb.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b86c8e4d036b64fe0162c15e5788fdd.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐2】(1)计算:-2-2-
+(π-3.14)0-
sin45°
(2)求不等式组
的整数解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d19ccc0eb5f678485533ba20b13e236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4cee6655a37fc8243928b5dbb09fd4.png)
(2)求不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3fea76a5294677243d8560514dd74a7.png)
您最近一年使用:0次