Răspuns:
a.11(2)=1×2^0+1×2^1=3
b.10101(2)=1×2^0+0×2^1+1×2^2+0×2^3+1×2^4=21
c.100110(2)=6+32=38
d.111001(2)=57
e.1201(3)=1×3^0+0×3^1+2×3^2+1×3^3=46
f.1201(4)=1×4^0+0×4^1+2×4^2+1×4^3=97
g.4201(5)=1×5^0+0×5+2×5^2+4×5^3=1+50+500=551
Succes!
