Răspuns:
18/3√2 = 6/√2 = 3√2
-48/√56 = -48/2√14 = -24/2√14 = -12√24/7
√72/8√6 = √12/8 = 2√3/8 = √3/4
-60/√75 = -60/5√3 = -12/√3 = -4√3
-64/√48 = -64/4√3 = -16/√3 = -16√3/3
-56/√84 = -56/2√21 = -28/√21 = -4√21/3
48/3√12 = 48/6√3 = 8/√3 = 8√3/3
-45/√60 = -45/2√15 = -3√15/2
EVERGREEN
