Efectuați: a) 6-4radical2-6-3radical8 c) 8radical27-24radical3 e) radical2×radical10-2radical5 g) radical6×radical2×radical3+radical5×radical5÷radical5
k)3×radical5pe3+6×radical5pe12-30×radical1pe15 m) (8radical48+10radical3-2radical27)÷radical3 o) 5radical3×(radical3-5radical12)-radical5×(5radical20-3)+185 (urgent vă rog dau coroana)