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.21-variant 1.Quyidagi kasrlarga umumiy mahraj toping:

  • A) B) C) D)

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

    2. Ko`paytuvchilarga ajrating:

    1. A) (2a-3b)(9a+7c) B) (2a+3b)(9a-7c) C) (2a-3b)2(3a+5c) D) (a-2)(a-b)(b+c)

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

    2. Tenglamani yeching: A) 5 B)7 C) 8 D) 9­­

    3. Tenglamani yeching: A) 16 B) 13 C) 15 D) 11

    4. Algebraik kasrlarni qo`shing:

    1. A) B) C) D)

    1. Algebraik kasrlarni ayring:

    1. A) B) C) D)

    1. Ifodani soddalashtiring va son qiymatini toping: , bunda c=2. A) -5 B) -4 C) 4 D) 5

    2. Kasrlarni ko`paytiring: .

    1. A) B) C) D)

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

    2. Amallarni bajaring:

    1. A) B) C) D)

    1. Amallarni bajaring:

    1. A) B) C) D)

    1. Praporsiyadan noma’lum x ni toping.

    1. A) B) C) D)

    1. Ifodaning son qiymatini toping: x(x+2)(x-2)-(x-3)(x2+3x+9), bunda x=

    1. A) 27 B) 26 C) 23 D) 29

    1. Aylanadagi nuqtadan radiusga teng ikkita vatar o`tkazildi. Shu vatarlar orasidagi burchakni toping. A) 600 B) 1350 C) 1200 D) 900

    2. Rasmdagi x burchakning kattaligini toping:

    1. 80O

    2. A) 40O B) 60O C) 50O D) 70O

    3. x



    1. Agar uchburchakning burchaklari1,3,5 sonlariga proporsional bo`lsa, ularni toping:

    1. A) 20O, 60O, 100O B) 20O, 40O, 120O C) 20O, 70O, 90O D) 40O, 60O, 80O

    1. Agar teng yonli uchburchakning yon tomonlari orasidagi asosidagi burchagi 40O bo`lsa, uning asosidagi burchagini toping.

    1. A) 40O B) 70O C) 60O D) 50O

    1. Agar sonni 9 bo`lganda 4 yoki 5 qoldiq qolsa, bunday sonning kvadratini 9 ga bo`lganda qanday qoldiq chiqadi?

    1. A) 7 qoldiq B) 4 qoldiq C) 5 qoldiq D) 1 qoldiq




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