1/2整数部分,y代表它的小数部分,我这枝笔的价格是(101/2+x)y元,那么你们猜" />
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sheng huo zhong de er ci gen shi
Author(s): 
Pages: 36-38
Year: Issue:  8
Journal: Assist and Guide for Junior Middle School Students

Keyword:  二次根式数字游戏整数部分张老师图形面积乘法运算加减运算花池;
Abstract: <正>二次根式的实际应用主要体现在利用二次根式解决有关长度、高度等问题,为方便同学们及时了解二次根式的实际应用,现归纳几例,供参考.1.数字游戏例1数学课上张老师和学生们做了一个数字游戏,老师手里拿了一枝笔说:"现在你们学习了二次根式,如果x表示101/2整数部分,y代表它的小数部分,我这枝笔的价格是(101/2+x)y元,那么你们猜
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