Davriy kasrlar

• 0.22

• 1,(5)

14000 ning natural bo'luvchilari sonini toping.

• 30

• 40

• 24

• 36

18, 25, 21 va 35 sonlari orasizda nechta o'zaro tub sonlar juftligi bor?

• 2

• 3

• 4

• 5

420 va 144 ning umumiy bo'luvchilari nechta?

• 5

• 6

• 4

• 7

2, 3, 15, 17, 21, 23, 29, 39, 51, 57 sonlar ketma-ketligida nechta murakkab son bor?

• 3

• 4

• 5

• 7

30 dan kichik tub sonlar nechta?

• 11

• 9

• 10

• 12

Qaysi juftlik o'zaro tub sonlardan iborat?

• (18, 14)

• (21; 28)

• (14; 39)

• (15; 35)