6,punctele c,f.Dau coroana!

6punctele CfDau Coroana class=

Răspuns :

c)
=radical259-11radical din 3 -8
f)
(3radical din 8 + radical18 +radical50 -2radical 27 )×radical2
=(5radical2 +6radical2 +3radical2 -7radical2 )×radical2 =5+6+3-7=7