baby2003's Content
There have been 1 items by baby2003 (Search limited from 12-05-2020)
Chứng minh rằng: $(a+b+c)^3=a^3+b^3+c^3+3(a+b)(b+c)(...in Đại sốStarted by nangcongchua, 17-08-2012 |
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There have been 1 items by baby2003 (Search limited from 12-05-2020)
Chứng minh rằng: $(a+b+c)^3=a^3+b^3+c^3+3(a+b)(b+c)(...in Đại sốStarted by nangcongchua, 17-08-2012 |
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