7-sinf matematika test 2-variant 243+268+757+422 ni qulay usulda hisoblang?

7-sinf matematika test 2-variant
1. 243+268+757+422 ni qulay usulda hisoblang?
A) 1100 B) 1690 C) 1560 D) 1200

2. Faqat natural sonlar berilgan qatorni toping?

A) 1,2,3,4,5,6,7,8,9,10… B) 0 , 3, 5, 6, 7, 8, 9… C) -4, 5, 6, 7, 8, 9, 10 D) 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

3 Faqat raqamlar berilgan qatorni toping?

A) 0 1 2 3 4 5 6 7 8 9 B) 2 3 5 7 11… C) 10 11 12 13 14 15… D) 11 22 33 44 55 66…

4. -28-15+28+45-35+5 ni hisoblang?

A) -38 C) -9 C)0 D)48

5. 18-10:5+3*4 +4000:200+300:6+60-110 ifodaning qiymatini toping?

A) 28 B)23 C) 23 D) 48

6. Berilgan a) 3401, b) 45789, c) 23424 d)34500 Sonlaridan qaysilari 4 ga qoldiqsiz bo’linadi

A) a b c B) a b d C)a c D) c d

7. n raqamining qanday qiymatlarida 30041n soni 3 ga qoldiqsiz bo’linadi ?

A) 1,4,7,9 B) 0,3,6, 9 C) 7, 6 D)1,3,5

8. Eng kichik tub son bilan eng katta raqamning yigindisidan eng kichik natural sonni ayiring?

A) 11 B) 2 C)10 D)-1

9. Tub sonlarni o’sish tartibida joylashtiring ?

A) 2 3 5 7 11 13 17… B) 0 1 2 3 4 5 ...
C) 2 3 5 7 9 11… D)11 22 33 44 55..

10. 180 ni tub ko’paytuvchilarga ajrating?·

A) · ·5 B) · ·5 C) ·3·5 D) ·3

11. Quyidagi sonlardan qaysilari 8 ga qoldiqsiz bo’linadi ? A) 13278 B) 12397 C) 123458 D) 57808

12. 34·20 dan eng kichik murakkab sonni ayiring?
A) 676 B) 636 C) 909 D) 14

13. Quyidagilardan qaysi biri qoldiqli bo’lishni ifodalaydi?

A) 37=3·11+4 B) 37=4·12-11 C) 37=4·8+5 D)6:2
14. 65 dan kichik tub sonlar nechta ?
A) 12 ta B) 18 C) 11ta D) 10 ta
15. 0; 1; 2; 3; 15; 17; 23; 24; 169; 289; 361 sonlari orasidan tub sonlarni ajratib yozing.
16. 66055*78 soni 9 ga bo’linishi uchun * ning o’rniga qanday raqam yozilishi kerak?
A) 5 B) 8 C) 7 D)6
17. Qaysi juftlik o’zaro tub sonlardan iborat
A) (13;14) B)(2;6)
C)(12;24) D)(5;25)
18. 24 sonining natural bo’luvchilari soni nechta?(NBS)
A) 9 B)8 C) 12 D) 15
19. EKUB(12;48) ni hisoblang?
A) 1 B) 12 C)9 D)67
20. EKUK(80;480) ni hisoblang?
A)80 B) 40 C)12 D)60