e)
[(175-169)×12-64]×2¹⁷-4¹⁰=
(6×12-64)×2¹⁷-4¹⁰=
(72-64)×2¹⁷-2²⁰=
8×2¹⁷-2²⁰=
2³×2¹⁷-2²⁰=
2²⁰-2²⁰=0
Răspuns:
2)25x7=175. 1)13x13=361.
