lemai03's Content
There have been 2 items by lemai03 (Search limited from 04-06-2020)
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Rút gọn: $x ^{n+1}.x ^{n+2}$in Đại sốStarted by lemai03, 14-07-2015  số học
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$\frac{a}{b}> \fra...in Đại sốStarted by lemai03, 30-06-2015 toán
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