Odpowiedź:
1.
(8 - 6 + 3) * (12 - 5 + 4) =
= (2 + 3) * ( 7 + 4) =
= 5 * 11 =
= 55
2.
(17 - 5) * 3 + 7 =
= 12 * 3 + 7 =
= 36 + 7 =
= 43
3.
2 * [tex]3^{2}[/tex] + 16 * 2 : 4 =
= 2 * 9 + 32 : 4 =
= 18 + 8 =
= 26
4.
98 - (8 - 4) * 5 + 10 =
= 98 - 4 * 5 + 10 =
= 98 - 20 + 10 =
= 78 + 10 =
=88
