7-sinf Matematika 4-chorak

1

OMAD YOR BO'LSIN!


Tomonidan yaratilgan InfoMaster

7-sinf Matematika 4-chorak

Testni Mamadoliyev Diyorbek tayyorladi.

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Algebraik ifodaning qiymatini toping:
bunda  a= 2   b=5

 

2 / 25

Hisoblang:

3 / 25

Teng yonli uchburchakning perimetri 48, yon tomoni 18 ga teng. Uning asosini toping

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Hisoblang:

5 / 25

Uchburchakning bir uchi va shu uchining qarshisidagi tomon o`rtasini tutashtiruvchi kesma nima deb ataladi

6 / 25

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

7 / 25

O`xshash hadlarni ixchamlang:  5a2 – 4b2 –  3a2 + b2

8 / 25

Teng yonli tog`ri burchakli uchburchak kichik burchagini toping.

9 / 25

Hisoblang: 139∙15 + 18∙139 + 15∙261 + 18∙261.

10 / 25

Kasrlarning ayirmasini toping

11 / 25

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

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Ko`paytuvchilarga ajrating: 16a2 – 81.

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Agar uchburchakning ikkita burchagi 600 va 400 ga teng bo`lsa, uning noma’lum burchagini toping

14 / 25

Hisoblang:  (12a4b3 +21a2b4) : 3a2b3

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a=10, b=8 bo‘lganda  algebraik kasrning son qiymatini toping?

16 / 25

Quyidagi kasrlar uchun umumiy mahrajni toping:

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Ifodani soddalashtiring va yig‘indini toping:

18 / 25

Tenglamani yeching: (2x-3)2=0

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Tenglik shaklida yozing: a va b sonlari yig`indisining ikkilangani ularning ko`paytmasiga teng.

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Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan uchtasining yig`indisi 250 gradus ga teng. Burchaklardan kichigini toping.

21 / 25

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

22 / 25

a sonni shunday tanlangki, 3x - 4 = a - 2x tenglama x = 1 ildizga ega bo`lsin

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

24 / 25

Soatning soat mili 3 soatda necha gradusga buriladi ?

25 / 25

Tenglamani yeching:

0%

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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