👤

4. Calculaţi: a) (18/(5sqrt(3)) - 12/(4sqrt(3)) - 6/(2sqrt(3)) + 8/(2sqrt(3))) - (4/(3sqrt(2)) + 3/(2sqrt(2)) - 40/(12sqrt(2))) D-IIA 5. b) (13/(2sqrt(3)) - 30/(6sqrt(3))) - (4/(3sqrt(2)) - 12/(5sqrt(2)) + 5/(2sqrt(2)) - 23/(30sqrt(2)))​