Calculati:
2 la 15 :8 la 4=?


Răspuns :

2^15:(2^3)^4=2^15:2^(3·4)= 2^15:2^12=2^(15-12)=2^3=8
Succes!! :*
2¹⁵ : 2³⁾⁴ = 2¹⁵ : 2¹² = 2¹⁵⁻¹² = 2³ = 8