Matematika 7 sinf uchun test savollari I variant

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Xato javob ___ta

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Matematika 7 sinf uchun test savollari

II variant

1. 
   Hisoblang:
   

A) B) C) D)

2. 
   Tarkibida 40% tuz bo’lgan 1500 g eritmaga qancha tuz solinsa, tarkibida 70% tuz bo’lgan eritma hosil bo’ladi?
   

A) 1000 B) 450 C) 1500 D) 150

3. 
   Tenglamani yeching : 7(2+3х)+8=9(3х+2)+13
   

A) – 1,5 B) – 2,5 C) 2,5 D) 0,5

4. 
   Ifodaning qiymatini toping:
   

A) 6,75 B) C) D)

5. 
   -105 dan 108 gacha bo`lgan butun sonlar yig`indisini toping.
   

A) 426 B) 108 C) 216 D) 321

6. 
   ekanligi ma’lum bo`lsa, barcha ikki xonali sonlarni toping.
   

A) 29; 38; 47; 56; 65; 74; 83; 92 B) 29; 47; 56 C) 65; 83 D) 74; 92

7. 
   ABC uchburchakning BC tomoniga tuchirilgan o’rta perpendikulyar AC tomonini E nuqtada kesib o’tadi. Agar ВЕ=6sm, АС=8,4 sm bo’lsa AE kesmaning uzunligini toping.
   

A) 2,2sm B) 2,4 sm C) 4,4 sm D) 1,4 sm

8. 
   O`zgaruvchining qanday qiymatlarida ifoda ma’noga ega bo`lmaydi: ?
   

A) 2 B) C) 0 va 2 D) 0

9. 
   Quyidacha berilgan sonlar ketma ketligini kamayish tartibida yozing: , bu yerda , .
   

A) 17; 29; 41; B) 89; 77; 65; 53; 41; 29; 17

C) 17; 29; 41; 53; 65; 77; 89 D) 89; 77; 65

10. 
    Birhadning darajasini aniqlang:
    

A) B) C) D) aniqlab bo`lmaydi

11. 
    Ifodaning qiymatini toping:
    

A) 26 B) 8 C) 16 D) 32

12. 
    Ifodani soddalashtiring:
    

A) B)

C) D)

13. 
    Tenglamani yeching:
    

A) B) 5 C) 10 D) 8

14. 
    Ko`paytuvchilarga ajrating:
    

A) B) C) D)

15. 
    Uchburchak burchaklari 1:2:3kabi nisbatda bo`lib, uning katta tomoni 36 ga teng. Uchburchakning kichik tomonini toping.
    

A) 36 B) 18 C) 72 D) 9

16. 
    Hisoblang:
    

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

17. 
    120⁰ li burchakka qo`shni burchaklar yig`indisini toping.
    

A) 30⁰ B) 45⁰ C) 180⁰ D) 120⁰

18. 
    Birhadlarni ko’paytiring: (-3b)(4a²b)(5ab)
    

A) -60a³b³ B) 60a³b³ C) -50a³b³ D) -60a³b³

19. 
    Sonli ifodaning qiymatini toping:
    

A) -4 B) -3 C) 4 D) 3

20. 
    ekanligi ma`lum. nechaga teng?
    

A) 97 B) 89 C) 106 D) 100

21. 
    Ko`phadni ko`paytuvchilarga ajrating:
    

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22. 
    Tenglamani yeching:
    

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23. 
    Ikkita ketma-ket kelgan juft natural sonlar ko`paytmasi ularning kichigining kvadratidan 1,5 marta katta. Bu sonlarni toping.
    

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24. 
    Ifodani soddalashtiring:
    

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25. 
    Teng yonli uchburchakning uchidagi burchagi 96⁰ ga teng.Uchburchak asosidagi burchaklar bissektrissalarning kesishishidan hosil bo`lgan o`tkir burchakni toping.
    

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26. 
    ABC to`g`ri burchakli uchburchakda – to`g`ri, va . medianani toping.
    

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27. 
    Mos tomonlari perpendikulyar ikki burchakning yig`indisi 170⁰. Bu burchaklarni toping.
    

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28. 
    Ifodani soddlashtiring : va dagi son qiymatini toping.
    

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29. 
    Hisoblang:
    

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30. 
    Asosi BC bo`lgan ABC teng yonli uchburchakning perimetri 40 sm. BCD teng tomonli uchburchakning perimetri 45 sm. AB va BC tomonini toping.
    

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