FURNEAROXANA10GO FURNEAROXANA10GO Matematică Respondido 45. Efectuați calculele: a) 4√7-2(2√7+√3)+√12; c) 2(2√3+√2)-(√8+2√12); b) 5√15-3(√15+2)+4(1-√15); d) √3 (2√2-3√3)-√2 (2√3-3√2)