1.Calcule a amplitude: 18, 71, 75, 78, 67, 70, 66
2.Calcule a amplitude: 14, 71, 52, 4, −2
3.Calcule a amplitude: 52, 79, 37, 45, 35, 12, 3, −9
4.Calcule a amplitude: 6, 67, 18, 76, −4, −9, 70
5.Calcule a amplitude: 30, 56, 79, 24, 27, 76, 35, 64
6.Calcule a amplitude: 26, 78, 61, −1, 52, 39, 14, 49, 67
7.Calcule a amplitude: 27, 51, −6, 42, −1, −5, 8, −6, 20
8.Calcule a amplitude: 66, 38, 56, 49, 51, 36, 40, 49, 42
9.Calcule a amplitude: 8, −2, −6, 27, 72, −7, 11, 39, 4
10.Calcule a amplitude: 65, −5, 25, −8, 64
11.Calcule a amplitude: 19, 27, 15, 68, 74
12.Calcule a amplitude: 61, 22, 18, 2, −14, 10, 26, 3
13.Calcule a amplitude: 32, 33, 8, 20, 17, 15, 34, −11, 3
14.Calcule a amplitude: 32, −14, 26, 9, 47, 69, 65, 74
15.Calcule a amplitude: 80, 37, −3, 72, 51, 53, 66, 43, −2