Question

Cat face: 2 la puterea 1997-2 la puterea 1996? (Scrieti cum ati rezolvat)

Answer 1

$2^{1997}-2^{1996}=\\2^{1996+1}-2^{1996+0}=\\2^{1996}*2^{1}-2^{1996}*2^{0}=\\2^{1996}*(2^{1}-2^{0})=\\2^{1996}*(2-1)=\\2^{1996}*1=\\2^{1996}\\Sfarsit!\\Este.clar?$