saxi753

saxi753

819 Followers
    Khảo sát hàm số: y=x^3-3x+2 - Toán lơp 12
    5:24
    The Lion King in real life - Cat version
    0:30
    Derivative Help: Introduction of Calculus: y = √((9-x^2)/x^2 )
    1:38
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