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题面：某工厂的年产值2000年是500万元，到2012年将要达到605万元，若平均每年年产值增长的百分率相同，求平均每年的年增长率。
推荐理由：1.以实际问题为背景，在巩固复习一元二次方程解法的基础上，与实际问题紧密相连，找到满足题意的根。2.总结增长率问题的一般解题方法。 讲解人：http://www.jiandan100.cn/teacher/41eada1179574bb381cb28039b17f940/ ， 数学特级教师，连续多年参与北京市西城区数学统考命题并担任中考阅卷组长。 【答案及详解】 本部分内容设定了隐藏,需要回复后才能看到 根据题意列一元二次方程，你学会了吗？ 选题来源：http://www.jiandan100.cn/c3/lesson/c/s142569/ 第5讲 张雁 专题 一元二次方程的应用 【20天大作战】年度召集令：http://bbs.jiandan100.cn/read.php?tid=680322 浏览本期“简单学习电子周报”完整目录：http://bbs.jiandan100.cn/read.php?tid=675523 |
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沙发#
发布于：2013-09-12 15:54
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板凳#
发布于：2013-09-12 21:20
板凳
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![20天大作战[2014]](https://bbs.jd100.com/attachment/medal/465e7ccd53045d5.png "20天大作战[2014]"){kind=small}
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地板#
发布于：2013-09-12 21:50
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4楼#
发布于：2013-09-12 21:51
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5楼#
发布于：2013-09-13 19:08
0000
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6楼#
发布于：2013-09-13 22:30
500
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8楼#
发布于：2013-09-15 09:07
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9楼#
发布于：2013-09-15 13:16
w21s1dfa5
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