7,13,11,...,...,21,19,25,23,29

7, 13, 11, ... , ... , 21, 19, 25, 23, 29

Ada 2 deret
• deret suku ganjil
7, 11, 15, 19, 23

• deret suku genap
13, 17, 21, 25, 29

Suku ke 4 = 17
suku ke 5 = 15

Bab Pola Bilangan
Matematika SMP Kelas VII

pada barisan ganjil

23 - 19 = 4
maka, ditambah 4

jadi, 11 + 4 = 15

pada barisan genap

29 - 25 = 4
maka, ditambah 4

jadi, 13 + 4 = 17

digabung

7, 13, 11, 17, 15, 21, 19, 25, 23, 29