Răspuns:
b) 6rad3 -3rad2
c) 5rad2 x 2 =10rad2
d)(24x5):6 -(72rad10):16= 20- 4,5rad10
e)rad6 -rad10 +rad15-rad6 +rad10-rad10=rad15-rad10
f)rad9 -1 =3-1 =2
g)6rad6 +8rad9= 6rad6+ 8x3 = 6rad6 +24
h)-5rad12 +5rad 16 =-5rad12 +5x 4= -5rad12 +20