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Thời gian	Nội dung	Điểm cảm ơn
04/08/2022 14:53:04	8x^2(x-5)-4x(5-x)<=> ...
04/08/2022 14:49:00	16a^2-(x-y)^2= (4a)^2 - (x-y)^2= (4a - x ...
04/08/2022 14:46:51	1B2A3A4B5A6B7B8A
04/08/2022 14:46:00	Another problem is the increase of the ...	5
04/08/2022 14:40:23	<=> x(x^2 - 25) - (x^3 + 8) = ...	7
04/08/2022 14:36:43	6 pedestrians can get injured or hit ...	5
04/08/2022 14:35:47	the traffic is worst in rush hours when ...
04/08/2022 14:33:06	a,x × (2x-1) - 2x² + 3x=4<=> 2x^2 ...	5
04/08/2022 14:30:09	wakesgetsgoeshasbrushescombshastakeskiss ...	5
04/08/2022 14:28:49	what are made with silk in this ...	5
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