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ni hui yong quan ma
Author(s): 
Pages: 14-16
Year: Issue:  Z1
Journal: School Journal of Mathematics

Keyword:  加权平均数重要程度民主评议测试成绩计算公式小区居民平均成绩总评成绩实际问题卷面成绩;
Abstract: <正>在实际问题中,往往根据问题的重要程度不同,选用不同的权重计算平均数.在中考试题中,这类试题越来越受到重视.下面结合实例说明,供同学们参考.
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