Nazorat test-1 Ifodaning qiymatini toping: a 1,8 b 1,5 c 1,6 d 18

Testlar. 7-sinf.
Umumta’lim maktablari uchun
2- variant
1. Ifodaning qiymatini toping:
A) 30,6 B) 3,06 C) D)
2. Soddalashtiring:
A) B) C) 0 D)
3. Agar bo`lsa, ifodaning qiymatini toping.
A) -0,8 B) 15,6 C) 8 D) 0,08
4. Tenglamani yeching:
A) 4 B) 3 C) 5 D) 0,3
5. Ikkita ishchi 657 ta detal tayyorladi. Birinchi ishchi ikkinchisidan 63 ta detal ko`p tayyorlagan bo`lsa, ular har biri nechtadan detal tayyorlagan?
A) 297; 360 B) 300; 357 C) 297; 234 D) 360; 287
6. Ifodaning qiymatini toping:
A) 144 B) 12 C) 36 D) 124
7. Sonni standart ko`rinishda yozing: 15496000000.
A) B) C) D)
8. Ifodani soddalashtiring:
A) B) C) D)
9. Ifodani ko`paytuvchilarga ajrating:
A) B) C) D)
10. Algebraik kasrni qisqartiring:
A) B) C) D)
11. Hisoblang:
A) B) C) D)
12. Asosi BC bo`lgan teng yonli ABC uchburchakning perimetri 30 sm va teng tomonli BCD uchburchakning perimetri 45 sm ga teng. AB va BC tomonlarni toping.
A) AB = 5 sm; BC =20 sm; B) AB =20 sm; BC =5 sm;
C) AB =7,5 sm; BC =15 sm; D) AB =15 sm; BC =10 sm;
13. Agar qo`shni burchaklarning ayirmasi 35<sup>0</sup> bo`lsa,ularni toping.
A) B) C) D)
14. Qo`shni burchaklar 135<sup>0</sup> va 45<sup>0</sup> ga teng. Bu qo`shni burchaklar bissektrisalari tashkil qilgan burchakni toping.
A) B) C) D)
15. A, B va C nuqtalar bir to`g`ri chiziqda yotadi. Agar AB=12 sm, BC=13,5 sm bo`lsa, AC ni toping.
A) 1,5 sm B) 25,5 sm va 1,5 sm C) 25,5 sm D) 0,5 sm va 26,5 sm
16. ABC uchburchakning AD medianasi BC tomondan keyin DE= AD bo`lgan kesmaga davom ettirilib, E nuqta C nuqta bilan tutashtirildi.Agar ACD=56<sup>0</sup>, ABD=40<sup>0</sup> bo`lsa, ACE ni toping.
A) B) C) D)
17. Umumiy AB asosga ega bo`lgan ACB va ADB uchburchaklar berilgan.
CD va AB lar O nuqtada kesishadi. Agar DAB= CBA, CAB= DBA,
CA=17 sm bo`lsa, DB ni toping.
A) 34 sm B) 15 sm C) 17 sm D) 20 sm
18. Ikkita parallel to`g`ri chiziqlarni to`g`ri chiziq bilan kesishishidan hosil bo`lgan mos burchaklarning yig`indisi 210⁰ ga teng.Bu burchaklarni toping.
A) B) C) D)
19. Tenglamani yeching:
20. Kasrni qisqartiring:
21. Ifodani soddalashtiring:
22. Ko`paytuvchilarga ajrating:
23. Agar bo`lsa, ABC uchburchakning burchaklarini toping.
24. Uchburchakning ikkita uchidagi tashqi burchaklari o`zaro teng va perimetri
86 sm, uning bir tomoni 14 sm ga teng.Qolgan ikkita tomonlarini toping.
25. Teng yonli to`g`ri burchakli uchburchakning gipotenuzasi 18 sm ga teng bo`lsa, gipotenuzaga tushirilgan balandligini toping.