7-sinf Matematika 3-chorak

1

OMAD YOR BO'LSIN!


7-sinf Matematika 3-chorak

Testni Mamadoliyev Diyorbek tayyorladi.

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Agar uchburchakning ikkita burchagi 400 va 300 ga teng bo`lsa, uning uchinchi burchagiga qo`shni burchagini toping

2 / 25

Hisoblang:  (12a4b3 +21a2b4) : 3a2b3

3 / 25

Surati p va q sonlarining ayirmasiga, maxraji esa ularning ko`paytmasiga teng bo`lgan algebraik kasrni yozing.

4 / 25

Soddalashtiring: (c-3)2 – (c+3)(3-c)

5 / 25

Kasrlarning ayirmasini toping

6 / 25

Ko`paytuvchilarga ajrating:  3a3 – 3.

7 / 25

Quyidagi mulohazalardan qaysi biri noto`g`ri ?

8 / 25

Algebraik kasrning son qiymatini toping: (a-b)/(a+2b), bunda a=16, b= -3.

9 / 25

Uzunliklari 4 sm, 5 sm , 6 sm, 7 sm bo`lgan kesmalardan nechta uchburchak yasash mumkin ?

10 / 25

Uchta nuqta to`g`ri chiziqni nechta bo`lakka bo`ladi ?

11 / 25

Algebraik ifodaning qiymatini toping: 3a + 2b, bunda a = 3, b = -5.

12 / 25

75 gradusli burchakka qo`shni burchakni toping.

13 / 25

Soatning soat mili 3 soatda necha gradusga buriladi ?

14 / 25

Futbol musobaqasida har biri 1500 so`mdan 6000 ta chipta va har biri 2000 so`mdan 4000 ta chipta sotildi. Hamma chiptalar uchun qancha pul olingan ?

15 / 25

Tenglamani yeching: 12x - 48 = 5x +1.

16 / 25

Tenglamani yeching: 0,04x = 4

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(x -1) : (x+1) = 3 : 5 tenglamaning ildizi x_{0} bo`lsa, 41 - x_{0} ifodaning son qiymatini toping.

18 / 25

Vertikal burchaklarning yig`indisi 70 gradusga teng. Bu burchaklarni toping.

19 / 25

Agar qo`shni burchaklar gradus o`lchovlari nisbati 4:5 bo`lsa, ularni toping.

20 / 25

Otasi 38 yoshda, o`g`li esa 12 yoshda. Necha yildan keyin otasi o`g`lidan ikki marta katta bo`ladi ?

21 / 25

Ko`phadning son qiymatini toping: x2 +2xy +y2, bunda x = 1,2, y = -1,2.

 

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Hisoblang:

23 / 25

Uchburchakning bir uchidan shu uchining qarshisidagi tomonga tushirilgan perpendikulyar nima deb ataladi

24 / 25

Ifodani soddalashtiring:

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Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan ikkitasining yig`indisi 1200. Bu burchaklarni toping

0%

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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