Răspuns:
(2radical6):radical6=2
(10radical15):10=3.87298334621
(-7radical2):(-7radical2)=1
(4radical6):(2radical3)=2.828424
(-20radical10):(2radical5)=0
(9radical22):(-3radical11)=-4.24264068712
(18radial26):(-2radical13)=12.7379
(7radical7):(radical7)=7
(36radical19):96 radical 19)=6
Explicație pas cu pas: