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Author:
Journal / Book Title:
Year:
Volume:
Issue:
qu wei shu zi you xi
Author(s):
WU Changshun
Pages:
78
-
79+117
Year:
2009
Issue:
Z2
Journal:
School Journal of Mathematics
Keyword:
数字游
;
趣味数学
;
数字组合
;
连续自然数
;
算式
;
等式
;
答案
;
空格
;
质数
;
四边形
;
Abstract:
<正>1.34变38如图1,在17个小圆圈里分别填写着1至17这些自然数。每个小四边形上的4个数字之和都是34。想想看,如何调整一下这些数,使每个小四边形上的数字之和变为
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