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Author:
Journal / Book Title:
Year:
Volume:
Issue:
zuo zuo chuang guan ji
Author(s):
HU Yue
,
CHAI Li
Pages:
125
-
126+27+97
Year:
2006
Issue:
Z2
Journal:
School Journal of Mathematics
Keyword:
正方形
;
振动频率
;
双层玻璃
;
位数
;
声音
;
同学
;
窗户
;
隔音
;
发声体
;
拼成
;
Abstract:
<正>第一关暑假期间,嘟嘟到表哥家去玩.表哥正在玩拼图的游戏.嘟嘟看着表哥拼出的美丽图案,很高兴.突然表哥眼睛一亮,给嘟嘟出了这样一道题:有两个边长比为1:2的正方形,如何把它们通过切割拼成一个正方形?同学们,你们能帮帮嘟嘟吗?
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