§. Natural va butun sonlar

§. Kasrlar.
Siz kasrlar va undagi bo’ladiga deyarli barcha amallar haqida tushunchaga egasiz. Lekin har qanday kasrlarni zanjirli kasrga aylantirish tushunchasiga batafsil ma’lumotlarga ega emassiz. Misol yordamida quyidagi noto’g’ri kasrni zanjirli kasrga aylantirishni ko’rib chiqamiz.



ko’rinishdagi belgilash kasrning zanjirli kasrga o’tishdagi belgilashdir.

5-Mashq.

1.Quyidagi kasrlarni zanjirli kasrlarga yoying:

a) b) c) d) e) f)1,23
2.Quyidagi zanjirli kasrlarga ko’ra sonning o’zini toping:

a) [2;1,3,4,1,2] b) [0;3,1,2,7] c) [2;1,1,6,8]

d) [-1;1,2,4,5] e) [0;1,4,3,2] f) [-3;1,1,2]
3. Surat va maxrajlarining yig’indisi tub sonning kubi va ga teng bo’lgan kasrning suratini toping.

A)363 B)1064 C)968 D) bunday kasr mavjud emas

4. Surat va maxrajlarining yig’indisi tub sonning kubi va ga teng bo’lgan kasrning maxrajini toping.

A)363 B)1064 C)968 D) bunday kasr mavjud emas

5.Qandaysonning 20 %

iquyidagikasrningqiymatigatengbo’ladi?

1. 
   250 B)120 C)200 D)270
   

6. hisoblang.

A)24 B)12 C)8 D)6

7. hisoblang.

A) 19/2 B) 19/4 C) 1/2 D) 19/8

8. J:16