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zuo zuo chuang guan ji
Author(s): 
Pages: 125-126+27+97
Year: 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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