Question

am nevoie de ajutor
$3 \times ( {5}^{9} \div {5}^{8} + ( {3}^{4} - {2}^{4} \times 5) {}^{2015} + {8}^{7} \div {16}^{5} )$
*prima si ultima paranteza e paranteza patrata*​

Answer 1

3 × [5^9 : 5^8 + (3^4 - 2^4×5)^2015 + 8^7 : 16^5] = 3 × [5 + (81 - 16×5)^2015 + (2^3)^7 : (2^4)^5] = 3 × [5 + (81 - 80)^2015 + 2^21 : 2^20] = 3 × (5 + 1^2015 + 2) = 3 × (5 + 1 + 2) = 3 × 8 = 24