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Author:
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Year:
Volume:
Issue:
ni hui yong quan ma
Author(s):
LI Zuoran
Pages:
14
-
16
Year:
2009
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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