Matematika 7-sinf I variant. Test savollari

19.Aylana ikki nuqta bilan 2 : 3 nisbatda yoylarga bo’lingan. Bu yoylar bilan o’lchanadigan markaziy burchaklar kattaligini toping.


20.АОВ va ВОС qo’shniburchaklar. ВОС burchak АОВ burchakdan 1,5 marta kichik bo’lsa, АОВ burchakni toping.
21. Ko`paytuvchilarga ajrating:
22. ifodani standart ko`rinishdagi ko`phad ko`rinishiga keltiring.
23. ABC va MKP uchburchaklar teng. AC=PK=10 sm , MK=5sm, AB=9sm.
BC va MP ni toping, uchburchaklarning teng burchaklarini aniqlang.
24. ABC uchburchakning BH balandligi uning medianasi ham bo`lib, uning uzunligi 2sm ga teng. Agar ABH uchburchakning perimetri 10 sm bo`lsa, ABC uchburchakning perimetrini toping.
25. Uchburchakning ikkita tashqi burchaklarining yig`indisi 240<sup>0</sup> ga teng. Bu tashqi burchaklarga qo`shni bo`lmagan burchakni toping.


2 variant.
1. Ifodaning qiymatini toping:
A)-4 B)-3 C)4 D)3
2. a=2, b=-1 bo`lsa, algebraik ifodaning qiymatini toping.
A) B) C) D)
3. ifoda ma’noga ega bo`lmaydigan (a;B)sonlar juftligini toping.
A)(1;1) B)(3; -6) C)(0;3) D)(-5; -10)
4. Tenglamani yeching:
A)-1,5B)1,5 C)8,5 D)-8,5
5. Darajaning xossalaridan foydalanib, hisoblang: A)14 B) C)196 D)1
6. Uchta javonda 120 ta kitob bor. Ikkinchi javonda uchinchisidagidan 3 marta ko`p kitob, birinchisidan 2 marta kam kitob bor .Ikkinchi javonda nechta kitob bor?
A)20 B)12 C)72 D)36
7. Ifodani soddalashtiring:
A) B) C) D)
8. Ko`phadni ko`paytuvchilarga ajrating:
A) B) C) D)
9. Ifodaning qiymatini toping: A)-1 B)1 C) D)
10. Ifodaning soddalashtiring: .
A) B) C) D)
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 1:2:3 kabi nisbatda bo`lib, uning katta tomoni 36 ga teng. Uchburchakning kichik tomonini toping.
A)36 B)18 C)72 D)9
16. Uchburchakning 5 ga teng bo`lgan balandligi uni ikkita perimetrlari 18 va 26 ga teng bo`lgan uchburchaklarga ajratadi. Dastlabki uchburchakning perimetrini toping.
A)29 B)31 C)34 D)36
17. Uchburchakning ikkita tomoni mos ravishda 0,8 va 1,9 ga teng.Uning uchinchi tomoni qanday butun songa teng bo`lishi mumkin?
A)1 B)2 C)3 D)4
18. dan katta, ammo dan kichik maxraji 30 ga teng bo`lgan kasrlar nechta?
A)4 B)5 C)6 D)3
19.18 va 12 sonlarining eng kichik umumiy karralisi bilan eng katta umumiy bo`luvchisining ko`paytmasini toping.
20. Hisoblang:
21.МN va КРto’g’ri chiziqlar Оnuqtada kesishadi, bunda КОМva NОРburchaklar yig’indisi 134^оga teng. КОNburchakning kattaligini toping.
22.МРКva ВDЕuchburchaklarda РСva DN bissektrisalar o’tkazildi.
∆ МРС = ∆ ВDN. AgarМК = 8 smvaВNkesmaNEdan 2,4 smkichikbo’lsa, NE kesmauzunligini toping.