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thaomaetamong
2 năm trước
Tìm x biết: a, $\frac{11}{17}$ -0,625 <x- $\frac{1}{3}$ <$\frac{9}{13}$ +$\frac{2}{3}$ b. |x-0.5|=2.5 c,1 <|x- $\frac{3}{4}$ | d,|4x-7|<3
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