in4math3tics's Content
There have been 2 items by in4math3tics (Search limited from 07-06-2020)
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Max $\sum \frac{1}{\sq...in Bất đẳng thức và cực trịStarted by UserNguyenHaiMinh, 05-08-2022 |
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Cho $a^2b+b^2c+c^2a=3abc$. CMR $abc$...in Số họcStarted by MiTiBAM, 08-10-2021 |
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