English version: • Why is (1+2+3)^2 = 1^3...
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黑筆紅筆 不是為了考試的數學頻道
Batty McFaddin - Silent Film Light by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. creativecommon...
Source: incompetech.com...
Artist: incompetech.com/
Негізгі бет (1+2+3)^2 = 好奇怪!
Пікірлер: 15