Răspuns:
Explicație pas cu pas:
a)
³⁾1/2+²⁾2/3 =3/6+4/6= 7/6
b)
²⁾4/3-³⁾1/2=8/6-3/6=5/6
c)
⁷⁾5/2+²⁾1/7=35/14+2/14=37/14
