Amalni bajaring 2,17+(3,2-0,17) A) B)-1,2 C) 1,2 D) 5,2

7-sinf

1. Amalni bajaring 2,17+(3,2-0,17)

A) 1 B)-1,2 C) 1,2 D) 5,2

2. Do`konga 50 kgdan bo`lgan qoplarda un keltirildi, agar 50*a teng un keltirilgan bo`lsa necha qop un keltirilgan.

A) 50 B) a C) 60 D) to`g`ri javob yo`q.

3. Ifodani soddalashtiring va uni qiymatini toping. 7(10-x)+3(2x-1) x=0,048

A) 5 B) 4 C) 2 D) 69,952

4. To`g`ri to`rtburchakning yuzi S ga asosi a ga teng bo`lsa, uning perimetrini toping.

A) B) C) D)

5. Hisoblang.

A) 4,17 B) 3,788 C) 4,0355 D) 16,201

6. Tenglamaning ildizi x bo`lsa 18:x ifodani qiymatini topig

A) 6 B) 7 C) -7 D) 46_

7. Teng yonli uchburchakning perimetri P ga asosining uzunligi a ga teng.Uchburchakning yon tomoni uzunligini topish uchun ifoda tuzing

A)2a-p B) 2p-a C) p-a D)

8. Qavslarni oching va soddalashtiring 5a+(3a-(4a+3))

A) 8a+3 B) 4a-3 C) -4a-3 D) 3-4a

9. Uchburchakning bir tomonining uzunligi a ga teng, ikkinchi tomonning uzunligi bu tomonning 80% ini tashkil qiladi. Uchunchi tomoni esa birinchi va ikkinchi tomonlar yig`indisining yarmiga teng bo`lsa, shu uchburchakning perimetrini toping.

A) 1,8a B) 2,7a C) 3a D) 3a+0,8 E) 2a+0,8

10. Uchburchak bir tomonining uzunligi a ga teng bo`lib, u ikkinchi tomonidan 2sm qisqa uchinchi tomonidan esa 3sm uzun. Shu uchburchakning perimetrini hisoblash uchun ifoda tuzing.

A)3a-1 B) 3a-5 C) 3a+5 D) 1-3a E) 3a+2

11. Hisoblang A) a²b² B) b² C) D) a² E)

12. Hisoblang: 4∙(3-(a-b)²) bu yerda a=5; b=1

A) 52 B) -52 C) 50 D) -50 E) 76

13. Birhadning standart shaklda yozing:

A) 2a²ab²b B) C) 4a³b³ D) E)-2a³b³

1 4. Ko`p hadni uning har bir hadini standart shaklga keltirib,soddalashtiring:

3b²a5ab – 6b²4aba +ab4ab²

A) 43a³b³ B) 43a²b² C) -5a³b² D) -5a²b³ E)5a²b³

15. Nuqta va unda chiquvchi 2 nurdan iborat shaklga nima deb aytiladi?

A)Burchak B) Ichki soha D) Tashqi soha

16. Yoyiq burchakni ko`rsating

A) 60 B)93 C)180 D) 53

17. Ikki to`g`ri chiziqni kesishishidan hosil bo`lgan Uchburchaklardan 2tasini ayirmasi 20 ga teng shu burchaklarni toping.

A)80;100 B)70;90 C)60;80 D)100;120

18. Bissektrisa nimani 2ga bo`ladi

A)Burchak B) tomon C) asosni

19. 2 ta to`g`ri chiziq kesishishidan to`rtta burchak hosil bo`ladi ulardan ikkitasining yig`indisi 100ga teng ularni burchaklarini toping.

20. Noma`lum X hadni toping.

x

40⁰

21 . To`g`ri chiziqdagi A,B,C. nuqtalar uchun AB=5,6sm AC=8,9sm va BC=3,3 ekani ma`lum A,B,C nuqtalarning qaysi biri qolgan ikkitasining o`rtasida yotadi

22. O`xshash hadlarni ixchamlashtiring 8,7-(2m-n+m- n)

23. Sondan uning uchdan biri va to`rtdan biri ayirilsa, 8 qoladi sonning uzini toping.

24. Tenglamanig yechimini toping

25.Bitta xattot 8 kunda varaq yoza oladi 40 varaqni 9 kunda yozib tugatish uchun nechta xattot kerak.