Răspuns:
Explicație pas cu pas:
a:b=121, rest2
a=121b+2
b≥3 dexci o infinitate(numarabila) de solutii
a=121*3+2=363+2=365.....121= [365/3]
unde prin "/" am inteles ":" deimpartit
a=121*4+2=486......121=[486/4]
a=121*5+2=607...121=[607/5]
a=121*6+2= 728...121=[728/6]
