Răspuns :
12/5√3= 12√3/15=4√3/5
16/7√2=16√2/14=8√2/7
8/3√2 =8√2/6=4√2/3
15/2√3 =15√3/6=5√3/2
4/3√2=4√2/6=2√2/3
9/√3 =9√3/3=3√3
16/7√2=16√2/14=8√2/7
8/3√2 =8√2/6=4√2/3
15/2√3 =15√3/6=5√3/2
4/3√2=4√2/6=2√2/3
9/√3 =9√3/3=3√3