I-bob. 1 Natural va butun sonlar

1.1.5 Oxirgi raqam.

(96-13-11) ning oxirgi raqamini toping.

A) 2 B) 0 C) 4 D) 6 E) 8

Yechish: 2 soni darajalarining oxirgi raqamlari
har 4-darajadan keyin takrorlanib kelishini
kuzatish mumkin


2 ning daraja ko’rsatkichi 4 ga bo’linsa, u son 6
bilan tugar ekan.
J: 6 (D)

1. 
   (96-3-71) 8⁹⁹ ning oxirgi raqamini toping;
   

A) 0 B) 2 C) 4 D) 6 E) 8

2. 
   (96-9-11) 7¹⁰⁰ ning oxirgi raqamini toping.
   

A) 3 B) 5 C) 7 D) 9 E) 1

3. 
   (96-12-69) 3¹⁰¹ ning oxirgi raqamini toping
   

A) 3 B) 1 C) 7 D) 9 E) 5

4. 
   (97-1-2) Ayirma qanday raqam bilan tugaydi?
   

A) 0 B) 2 C) 4 D) 6 E) 8

5. 
   (97-5-13) ning oxirgi raqamini toping.
   

A) 2 B) 6 C) 8 D) 4 E) 1

6. 
   (97-6-2) Yig’indining oxirgi raqamini toping.
   

A) 8 B) 6 C) 4 D) 2 E) 0

7. 
   (97-9-13) 2¹⁹⁷¹ ning oxirgi raqamini toping.
   

A) 2 B) 6 C) 4 D) 8 E) 0

8. 
   (97-11-2) Yig’indisini oxirgi raqamini toping.
   

A) 4 B) 9 C) 0 D) 5 E) 7

9. 
   (99-1-2) Ayirmaning oxirgi raqamini toping.
   

A) 0 B) 7 C) 1 D) 3 E) 2

10. 
    (99-6-7) Ifodaning qiymati qanday raqam bilan tugaydi?
    

A) 1 B) 2 C) 3 D) 4 E) 6

11. 
    (99-6-11) Yig’indi qanday raqam bilan tugaydi?
    

A) 0 B) 1 C) 2 D) 3 E) 5

12. 
    (99-8-8) Oxirgi raqami 3 ga teng bo’lgan 13 ta ko’paytuvchining ko’paytmasi qanday raqam bilan tugaydi?
    

A) 3 B) 1 C) 9 D) 7 E) 6

13. 
    (00-1-2)* 1 dan 50 gacha bo’lgan sonlarning ko’paytmasi nechta nol bilan tugaydi?
    

A) 14 B) 10 C) 13 D) 11 E) 12

14. 
    (00-2-9) Ushbu ko’paytma nechta nol bilan tugaydi?
    

A) 8 B) 10 C) 9 D) 14 E) 12

15. 
    (00-3-8) Ayirmaning oxirgi raqamini toping.
    

A) 4 B) 3 C) 5 D) 6 E) 8

16. 
    (00-5-2) 3²⁰⁰⁰ soni qanday raqam bilan tugaydi?
    

A) 0 B) 1 C) 2 D) 3 E) 7

17. 
    (00-6-1)* 10 dan boshlab 75 dan katta bo’lmagan barcha natural sonlarni ko’paytirish natijasida hosil bo’lgan sonning oxirida nechta nol qatnashadi?
    

A) 15 B) 16 C) 17 D) 18 E) 14

18. 
    (01-2-4) Ushbu ayirmani 10 ga bo’lganda hosil bo’ladigan qoldiqni toping.
    

A) 5 B) 2 C) 1 D) 0 E) 7

19. 
    (02-9-7) yig’indining oxirgi raqamini toping.
    

A) 7 B) 5 C) 3 D) 1 E) 9

1.1.6 Butun sonlar.

(97-12-7) Quyidagi ifodalarning qaysi biri 1 ga teng?

A) B) C)

D) E)


Yechish: -1 ning juft darajasi 1 ga teng bo’lgani uchun



J: (E)

1. 
   (96-3-6) Hisoblang.
   

A) 23 B) 11 C) -11 D) -10 E) 143

2. 
   (96-6-9) Quyidagi ifodalardan qaysi biri -1 ga teng?
   

A) B) C)

D) E)

3. 
   (96-11-6) Hisoblang.
   

A) 17 B) -55 C) 55 D) 77 E) -77

4. 
   (96-12-6) Hisoblang.
   

A) 99 B) 15 C) 33 D) -52 E) 27

5. 
   (97-2-9) Quyidagi ifodalardan qaysi biri 1 ga teng?
   

A) B) C)
D) E)

6. 
   (97-8-9) Quyidagilardan qaysi biri -1 ga teng?
   

A) B) C)

D) E)

7. 
   (99-3-2)* Hisoblang.
   

A) -46 B) -48 C) -50 D) -52 E) -54

8. 
   (01-1-2)* Yig’indini hisoblang.
   

A) -75 B) -80 C) -72 D) -63 E) -60