5 radical 2 +7 radical 2-13 radical 2=
2 radical 3-7 radical 3+5 radical 7-6 radical 7+1=
2 radical 75+3 radical 48-2 radical 300=
4 radical 5. (-2 radcal 7). (- radical3)=
(3 radical 2-2 radical 7 +1). 2 radical 2=
(3 radical 3+5 radical 2-3). ( radical 3- 2 radical 5)=
20 radical 10: (-5 radical 5)=
(15 radical 10 + 25 radical 5 -5 radical 35) : 5 radical 5=