Matematika. 7 sinf. Test savollari. I chorak I – variant


Matematika. 7 sinf. Test savollari. I - chorak



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Matematika-7-sinf-II-chorak-2012

Matematika. 7 sinf. Test savollari. I - chorak

II – variant

1. Amallarni bajaring: 22,42 + (14,234 – 12,42).

A) 20,606 B) 15,766 C) 29,174 D) 24,234

2. Algebraik ifodaning qiymatini toping: 4a + 2b, bunda a = 3, b = -4.

A) -1 B) 0 C) 4 D) 19

3. Futbol musobaqasida har biri 2500 so`mdan 4000 ta chipta va har biri 3000 so`mdan 3000 ta chipta sotildi. Hamma chiptalar uchun qancha pul olingan ?

A) 900000 so`m B)190000000 so`m C) 9800000 so`m D) 19000000 so`m

4. Har biri x so`mdan 2 ta daftar va har biri y so`mdan 12 ta ruchka sotib olindi. Hamma xarid qancha turadi ?

A) (x + 2) · (y +12) B) 12x + 2y C) 14xy D) 2x +12y

5.O`xshash hadlarni ixchamlang: 4,4 a – 2b - 8- 1,7a + 7b.

A) 6,1a +9b -8 B) 2,7a + 5b -8 C) 2,7a +9b -8 D) 6,1a - 9b - 8

6. Tenglamani yeching: (4x – 6) – (6 – 2x) = 3.

A) 1,5 B) 2,5 C) 7,5 D) 10

7.Algebraik ifodaning son qiymatini hisoblang: , bunda b = -2, c = , d = 0.

A) 3 B) -3 C) D)

8. Teng yonli uchburchakning asosining uzunligi a ga teng bo`lib, u yon tomonlaridan 3 ga kam. Shu uchburchakning perimetrini hisoblash uchun ifoda tuzing.

A) 3a + 3 B) 3a C) 3a +6 D) 3a -3

9. a sonni shunday tanlangki, 7x – 6 = a - 3x tenglama x = 1 ildizga ega bo`lsin..

A) 5 B) 4 C) 3 D) 2

10. Tenglamani yeching: .

A) -10,125 B) C) 10,125 D)

11.Tenglamani yeching: 0,07x = 70 .

A) 100 B) 1000 C) 0,01 D) 0,001

12.(x +1) : (x -1) = 5 : 3 tenglamaning ildizi x0 bo`lsa, 41 – 3x0 ifodaning son qiymatini toping.

A) 29 B) 30 C) 31 D) 34

13. Yig`indisi 76 ga teng bo`lgan ikkita ketma-ket toq sondan kattasini toping.

A) 39 B) 41 C) 37 D) 43

14. Otasi 40 yoshda, o`g`li esa 14 yoshda. Necha yildan keyin otasi o`g`lidan ikki marta katta bo`ladi ?

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

15. Tenglamani yeching: 14x – 41 = 7x +1.

A) 3 B) 6 C) D) 7

16. Bo`yi enidan 4 marta katta bo`lgan to`g`ri to`rtburchakning perimetri 150 sm ga teng. Shu to`g`ri to`rtburchakning enini toping.

A) 60 sm B) 45 sm C) 30 sm D) 15 sm

17. Tenglik shaklida yozing: a va b sonlari ayirmasining uchlangani ularning ko`paytmasiga teng.

A) B) 3∙(a-b) = a · b C) a - b · 3 = a · b D) a - b = 3 · a · b

18. Sakkizta nuqta to`g`ri chiziqni nechta bo`lakka bo`ladi ?

A) 8 B) 3 C) 4 D) 9

19. Agar bo`lsa, BC ni toping. ?

A) 7,4 sm B)8,9 sm C) 5,4 sm D) 5,3 sm

20. Soatning soat mili 2 soatda necha gradusga buriladi ?

A) 900 B) 600 C) 450 D) 300

21.1050 li burchakka qo`shni burchakni toping.

A) 1050 B) 150 C) 450 D) 750

22. Agar qo`shni burchaklar gradus o`lchovlari nisbati 2:7 bo`lsa, ularni toping.

A) 400; 1400 B) 600; 750 C) 800; 1000 D) 700; 1100

23.Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan uchtasining yig`indisi 2300 ga teng. Burchaklardan kichigini toping.

A) 400 B) 350 C) 700 D) 500

24.Vertikal burchaklarning yig`indisi 1100 ga teng. Bu burchaklarni toping.

A) 450 va 450 B) 450 va 650 C) 500 va 600 D) 550 va 550

25. Burchak bissektrisasi uning tomoni bilan 290 li burchak hosil qiladi. Berilgan burchakni toping.

A) 580 B) 1510 C) 410 D) 870


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