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	Các bình luận về:  (THPT Yên Lạc &#8211; Vĩnh Phúc &#8211; 2022) Có bao nhiêu giá trị nguyên của tham số \(m\) để phương trình \({9^{1 + \sqrt {1 &#8211; {x^2}} }} &#8211; \left( {m + 3} \right){3^{1 + \sqrt {1 &#8211; {x^2}} }} + 2m + 1 = 0\) có nghiệm thực	</title>
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