[cho biểu thức C = x^2 2 / x^3-1 1/1-x 2/x^2 x 1] [bÃâ€Â °ÃÂÃââ‚] [ngữ văn 8] [2025 RPPF form IB] [que animales de la naturaleza tienen simetria axial o central] [most patients with chest pain are experiencing an AMI. true or false] [rạch+giá] [mũ logảit] ["was made known to the public"] [lý thuyết]