Question

Media aritmetica a cinci numere naturale consecutiveeste 19.Aflati numerele.
Dau coroana urgentttt

Answer 1

[ a + ( a + 1 ) + ( a + 2 ) + ( a + 3 ) + ( a + 4 ) ] : 5 = 19
5 * a + 10 = 19 * 5
5 * a + 10 = 95
5 * a = 95 - 10
5 * a = 85
a = 85 : 5
a = 17

a + 1 = 18
a + 2 = 19
a + 3 = 20
a + 4 = 21