Odpowiedź :
12 * 5 : 4 = 60 : 4 = 15
4 * 7 - 42 : 6 = 28 - 7 = 21
100 - 14 * (6 - 2) = 100 - 14 * 4 = 100 - 56 = 44
2 * (103 - 93) = 2 * 10 = 20
100 : 10² * 2 = 100 : 100 * 2 = 1 * 2 = 2
55 - (4² + 8 * 3) = 55 - (16 + 24) = 55 - 40 = 15
200 + 98 : 7² = 200 + 98 : 49 = 200 + 2 = 202