Question

complete com os termos faltantes as progressões aritméticas abaixo:

a) (___,___,13__,__,25)

b) (___,8,__,___,__,__,33)​

Answer 1

A(1,7,13,19,25) r:6

B(3,8,13,18,23,28,33) r:5

Answer 2

de acordo com o enunciado vem:

a)

a3 = 13

a5 = 25

2r = 25 - 13 = 12

r = 6

PA( 1, 7, 13, 19, 25 )

b)

a2 = 8

a7 = 33

5r = 33 - 8 = 25

r = 5

PA( 3, 8, 13, 18, 23, 28, 33)