Ko’paytma ko’rinishida yozing va hisoblang. 18+18+18+18+18 a 18*5, 90 b 4*18, 72 c 18 d 5*18, 80

Test.30

1.Ko’paytma ko’rinishida yozing va hisoblang. 18+18+18+18+18

a)18*5 , 90 b) 4*18 , 72 c)18^5 d) 5*18 , 80

2.Ifodani qiymatini toping. 12-6:3+2*4

a)16 b) 10 c)18 d) javob yo’q

3.Ifodaning qiymatini toping. 18*36-16*36+24*27-25*24-21*5

a)45 b)1 c) 0 d) 15

4. Ushbu 303132…60 sonning raqamlari yig’indisini toping.

a)273 b)261 c)260 d)296

5.Agar , , uch honali sonlar yig’indisi 777 ga teng bolsa,

ni toping.

a)7 b)6 c)3 d) topib bo’lmidi

6.12345…4546 shu sonni xosil qilishda nechta turli raqam ishtirok etgan.

a)10ta b) 99 ta c) 78 ta d) 84 ta

7. 0 , 7 , 2 raqamlaridan foydalanib nechta ikki xonali son xosil qilish mumkin.

a) 4 ta b ) 6 ta c) 2 ta d) 3 ta

8.Raqamlari turlicha bo’lgan eng katta ikki xonali va eng kichik uch xonali sonlar yig’indisini toping.

a)198 b)199 c) 200 d) 201

9.Quyidagi qaysi son 3 ga bo’linadi.

a)123456789 b) 278239 c)11116235 d)2263435

10. 420 va 156 ning umumiy boluchisini toping

a)7 b) 5 c) 6 d) 4

11.Qaysi juftlik o’zaro tub bo’ladi?

a)(8;14) b) (11;22) c ) (12;35) d) (12;34)

12.[4;8] kesmada nechta o’zaro tub sonlar jufti bor?

a) 5 b) 6 c) 8 d) 7

13. ning oxirgi raqamini toping.

a)2 b) 6 c) 8 d) 4

14.Ayirmaning oxirgi raqamini toping

a) 0 b) 7 c) 1 d) 3

15. 1*2*3…*18*19-20*21*22*…*38*39 ayirmaning oxirgi raqamini toping.

a) 0 b) 5 c) 6 d) 7

16. sonning oxirgi raqamini toping.

a)1 b) 2 c)5 d) 8

17.Noto’g’ri kasrni toping.

a) b) c) d)

18.Hisoblang .

a) b) c) d)

19.Hisoblang.

a) b) c) d)

20. 0.6 ga teskari sonni toping.

a) 3/5 b) 1/5 c) 2/4 d ) -0.6