Umumta’lim maktablarining VII sinf o`quvchilari uchun matematika fanidan oraliq va yakuniy nazorat testlari to`plami


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7-sinf

7-sinf.20-variant. 1.Quyidagi kasrlarga umumiy mahraj toping:

  • A) B) C) D)

    1. Kasrni qisqartiring: A) B) C) D)

    2. Ko`paytuvchilarga ajrating:

    1. A) (a-2)(m-n)2 B) (m-n)(a+2) C) (a-2)(m+n)2 D) (a-2)(m-n)(m+n)

    1. Kasrni qisqartiring:

    1. A) B) C) D)

    1. Tenglamani yeching: A) 2 B) 3 C) 4 D) 5­­

    2. Tenglamani yeching: A) 9 B) 3 C) 5 D) 1

    3. Algebraik kasrlarni qo`shing: A) B) C) D)

    4. Algebraik kasrlarni ayring:

    1. A) B) C) D)

    1. Ifodani soddalashtiring va son qiymatini toping: , bunda x=-3

    1. A) -5 B) -1 C) 1 D) 5

    1. Kasrlarni ko`paytiring: .

    1. A) B) C) D)

    1. Kasrlarni bo`ling: A) B) C) D)

    2. Amallarni bajaring: A) B) a+b C) a-b D)

    3. Amallarni bajaring:

    1. A) B) C) D)

    2. 14.Praporsiyadan noma’lum x ni toping.

    3. A) B) C) D)

    1. Quyidagi jumlalarning qaysi biri noto`g`ri?

    1. A)Agar uchburchaklarning perimetrlari teng bo`lsa, bunday uchburchaklar teng

    2. bo`ladi;

    3. B) O`zaro teng uchburchaklarning perimetrlari ham tengdir;

    4. C) Bir to`g`ri burchakli uchburchakning ikki kateti ikkinchi to`g`ri burchakli

    5. uchburchakning katetlariga teng bo`lsa, bunday uchburchaklar o`zaro tengdir;

    6. D) O`zaro teng uchburchaklarning barcha ismdosh chiziqli elementlari ham bir-biriga teng bo`ladi.

    1. Teng yonli uchburchakning perimetri 38 sm ga teng. Asosiga tushirilgan balandligi 11 sm ga teng. Berilgan uchburchakdan balandlik ajratgan uchburchakning perimetrini toping.

    1. A) 28 sm B) 30 sm C) 32 sm D) 36 sm

    1. Rasmdagi x burchakning kattaligini toping:

    1. x

    2. A) 40O B) 60O C) 80O D) 100O



    4. 60O

    1. Agar uchburchakning burchaklari 2,3,4 sonlariga proporsional bo`lsa, ularni toping:

    1. A) 20O, 30O, 40O B) 50O, 55O, 75O C) 30O, 70O, 80O D) 40O, 60O, 80O

    1. Agar teng yonli uchburchakning asosidagi burchagi 80O bo`lsa, uning yon tomonlari orasidagi burchagini toping.

    1. A) 40O B) 80O C) 60O D) 20O

    1. Quyidagi mulohazalarning qaysi biri noto`g`ri?

    1. A) Uchburchakning uchala burchaklari yig`indisi 180O ga teng;

    2. B) Uchburchakda faqat bittagina to`g`ri burchak bo`lishi mumkin;

    3. C) Uchburchakda faqat bittagina o`tkir burchak bo`lishi mumkin;

    4. D) Uchburchakning tashqi burchagi o`ziga qo`shni bo`lmagan ichki burchaklari

    5. yig`indisiga teng.






















































































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