(3^8×3 × 5^3×3) ÷ (3^5×4 × 5^2×4)=
(3^24 × 5^9)÷(3^20 × 5^8)= 3^4 × 5=81×5=405
poti face proba la tipul sa calculezi. Merg la cavnic nu am timp succes
