C
camtuyen0000


[tex]\sqrt{x+2}-\sqrt{3-x} < \sqrt{5-2x}[/tex]
may ban thog cam minh go kieu kia mai ma khog duoc cho nen minh phai go kieu nay
may ban thog cam minh go kieu kia mai ma khog duoc cho nen minh phai go kieu nay
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