Hej!
1)
(7 + 3 * 2²) - (13 - 3 * 4) =
= (7 + 3 * 4) - (13 - 12) =
= (7 + 12) - 1 = 19 - 1 = 18
2)
3² + 6 : 3 * (17 - 2 * 5) =
= 9 + 2 * (17 - 10) =
= 9 + 2 * 7 = 9 + 14 = 23
Pozdrawiam! - Julka
