Question

$( {49}^{2} {)}^{4} \div ( {7}^{2} \times {7}^{6} {)}^{2} + {3}^{5} \div 81$
Rapid dau coroana​

Answer 1

49^8 : 7^8x2 +3^5 :9^2
(7^2)^8 : 7^16 + 3^5 : (3^2)^2=
7^16: 7^16 + 3^5 : 3^4=
1+3=4


^ inseamna la puterea