I-------I--------I--------I--------I Diana
I----I----I----I----I Monica
I-------I 1/4 Diana
I----I 1/4 Monica
I4I diferenta dintre sferturile fetelor
4*4=16 diferenta intre nr.nuci Diana si nr nuci Monica
40+16=56 daca ar fi avut acelasi nr de nuci
56:2=28 nr nuci Diana
28-16 = 12 nr nuci Monica