解下列方程(组):
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1248505c0e990cdae6a670a697caace3.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4182c4bd76889626347a95ca7a496c40.png)
更新时间:2024-05-06 06:39:03
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解答题-应用题
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适中
(0.65)
【推荐1】如图是某商场第二季度某品牌运动服装的
号,
号,
号,
号,
号销售情况的扇形统计图和条形统计图.
![](https://img.xkw.com/dksih/QBM/2021/1/25/2643721718956032/2652225323704320/STEM/e52b6307-5d70-4d61-ad65-c12deacfd0de.png)
根据图中信息解答下列问题:
(1)求
号,
号运动服销量的百分比;
(2)补全条形统计图:该商场第三季度继续销售该品牌运动服
件,根据以上统计结果,
号运动服应该进多少件较为合适?
(3)按照
号,
号运动服装的销量比,从
号、
号运动服装中分别取出
件、
件,若再取
件
号运动服装,将它们放在一起,现从这
件运动服装中,随机取出
件,取得
号运动服装的概率为
,求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34c0d6a223f24c2176a7c199e1bc220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b08c5aec30ba794574b6d00ed3e15271.png)
![](https://img.xkw.com/dksih/QBM/2021/1/25/2643721718956032/2652225323704320/STEM/e52b6307-5d70-4d61-ad65-c12deacfd0de.png)
根据图中信息解答下列问题:
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34c0d6a223f24c2176a7c199e1bc220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b08c5aec30ba794574b6d00ed3e15271.png)
(2)补全条形统计图:该商场第三季度继续销售该品牌运动服
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821b8672d030c240ff230a0174aa7a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)按照
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34c0d6a223f24c2176a7c199e1bc220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34c0d6a223f24c2176a7c199e1bc220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34c0d6a223f24c2176a7c199e1bc220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b99abf78ef60ab04257c35fa2d3911b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
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