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ba wo tu shi xin xi lie fang cheng
Author(s): 
Pages: 23-25
Year: Issue:  11
Journal: School Journal of Mathematics

Keyword:  列方程巧克力解决问题已知信息图示康乃馨水仙花销售收入质量果冻;
Abstract: <正>在实际问题中,一些信息往往是用图示中给出的,需要同学们从所给的图示信息中获取正确的求解信息.下面就一起来欣赏几例.例1(2008年·河北)图1所示的两架天平保持平衡,且每块巧克力的质量相等,每个果冻的质量也相等,
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