Question

(3 la puterea 19 x25 la puterea9)la puterea 2 : 15 la puterea 36=

Answer 1

15^36 = ( 3 * 5 )^36 = ( 3^36)*(5^36);
25^9 =(5^2)^9 = 5^18; atunci (25^9)^2 = 5^36; de asemenea, (3^19)^2 = 3^38;
In final ai asa:(3^38÷3^36)*(5^36÷5^36) =(3^2)*1 = 9.
Bafta!