Răspuns:
a) 2√6/√3 = 2√2
b) -7√13/√26 = -7/√2 = -7√2/2
c) 4√10/-√24 = 4√10/-2√6 = -2√5/√3 = -2√15/3
d) 15/2√60 = 15/4√15 = √15/4
EVERGREEN
