Question

cat face 2 la puterea 1991 ori 1-1



e uregent, va rog repedeeeee

dau coroana

Answer 1

${2}^{1991} \times 1 - 1 = {2}^{1991 } - 1$

Answer 2

2 la puterea 1991 × 1-1 = 2 la puterea 1991 × 0 = 0