Question

determinati numerele naturale x si y stiind ca 32 in baza x plus 41 in baza y este egal cu 35 in baza 10

Answer 1

32(x)+ 41(y)=35 (10);  => x≥4 si y≥5;

2+3•x+1+4•y=35

3•x+4•y=32

3•4+4•5=32

=> x=4 si y=5

32(4)+ 41(5)=2+3·4+1+4·5=35 (A)