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9. Calculează: a) |1,4-√2); b) |√3-1,7; c) |4-3√2| d) |1-√2| e) (5√2-4√3/-/6-3√3; f) |1 -√2|+|√2-√3|+|√3-√4| g) |8-3√7|+|2√7+|2-√7|| ​

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