Calculează: a) |1,4-√2; b) |√3-1,7; c) 4-3√2-3√2; d) |1 - √2+2-√2;
e) 5√2-4√3|-|6-3√3; f) |1 -√2+√2-√3+√3-√4; g) 18-3√7|+|2√7 + 12-√7||-

Dau coroana ​