Question

va rog ajutatima si pe mine cu un exercitiu: 2la puterea77 -2la puterea 76 -2la puterea75

Answer 1

$2^{77}-2^{76}-2^{75}= \\\\ =2^{75}(2^2-2-1)= \\\\ =2^{75}(4-3)= \\\\ =2^{75}*1= \\\\ =\boxed{2^{75}}$