Răspuns :
(2^53 + 2^52 + 2^51) + 2^51 =
= 2^51(2^2 + 2^1 + 2^0) + 2^51
= 2^51(4 + 2 + 1) + 2^51
= 2^51x7 + 2^51
= 2^51(7 + 1)
= 2^51x8
=2^51x2^3
= 2^54
(2^53 + 2^52 + 2^51) + 2^51 =
= 2^51(2^2 + 2^1 + 2^0) + 2^51
= 2^51(4 + 2 + 1) + 2^51
= 2^51x7 + 2^51
= 2^51(7 + 1)
= 2^51x8
=2^51x2^3
= 2^54