N̷g̷u̷y̷ễ̷n̷ ̷M̷i̷n̷h̷ ̷T̷r̷í̷ N̷g̷u̷y̷ễ̷n̷ ̷M̷i̷n̷h̷ ̷T̷r̷í̷ N̷g̷u̷y̷ễ̷n̷ ̷M̷i̷n̷h̷ T̷r̷í̷ N̷g̷u̷y̷ễ̷n̷ ̷M̷i̷n̷h̷ ̷T̷r̷í̷ strong text emphasized text ~x^2~ $$f(x)=x^2$$ [user:enter username here]

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