Algebra

Sonli ketma ketlik

100

2,4,8,... keyingi ikkita sonni top

16,32

200

9,3,1,... keyingi son nechi

1/3

Arifmetik progressiya

100

2,5,8,....

Кeyingi had.

Geometrik progressiya

100

3,6,12,24,... mahraj .

2