Question

scrieti dub forma de putere 2 la 2019 minus 2 la 2018.

Answer 1

2^2019 - 2^2018 =

2^2018 x (2^1 - 1) =

2^2018 x 1 =

2^2018

Answer 2

${2}^{2019} - {2}^{2018} = (2 - 1) \times {2}^{2018} = 1 \times {2}^{2018} = {2}^{2018}$