s3-ap-southeast-1.amazonaws.com · alem co noann xo tnl nep tuyen ao co ne so goc t ( xo * Phuong...
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s3-ap-southeast-1.amazonaws.com · alem co noann xo tnl nep tuyen ao co ne so goc t ( xo * Phuong trình tiep tuyen cúa dòthi x) tai diêm M có chi khi hàm sô' y = f (x) khå