7-sinf Matematika 2-chorak

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7-sinf Matematika 2-chorak

Testni Mamadoliyev Diyorbek tayyorladi.

1 / 25

Teng yonli uchburchakning asosining uzunligi a ga teng bo`lib, u yon tomonlaridan 5 ga ortiq. Shu uchburchakning perimetrini hisoblash uchun ifoda tuzing.

2 / 25

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

3 / 25

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

4 / 25

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

5 / 25

Har biri x so`mdan 12 ta daftar va har biri y so`mdan 2 ta ruchka sotib olindi. Hamma xarid qancha turadi ?

6 / 25

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

7 / 25

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

8 / 25

Soatning soat mili 3 soatda necha gradusga buriladi ?

9 / 25

Tenglamani yeching: (3x - 4) - (6 - 2x) = 3.

10 / 25

75 gradusli burchakka qo`shni burchakni toping.

11 / 25

Yig`indisi 84 ga teng bo`lgan ikkita ketma-ket toq sondan kichigini toping.

12 / 25

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

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Hisoblang:

14 / 25

Teng yonli uchburchakning asosi yon tomonidan 3 birlikka kam, perimetri 36 ga teng bo`lsa uchburchakning yon tomonini toping.

15 / 25

Hisoblang:

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

17 / 25

Hisoblang:

18 / 25

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

19 / 25

n ning qanday qiymatida tenglik to`g`ri bo`ladi:

20 / 25

To`g`ri chiziqning ixtiyoriy nuqtasidan unga nechta perpendikulyar to`g`ri chiziq o`tkazish mumkin ?

21 / 25

To`g`ri chiziqning ixtiyoriy nuqtasidan unga nechta perpendikulyar to`g`ri chiziq o`tkazish mumkin ?

22 / 25

Birhadning son qiymatini toping:  bunda y=-15,    x=6

23 / 25

Algebraik ifodaning qiymatini toping:, bunda a = 10, b = -5

24 / 25

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

 

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Teng yonli uchburchakning perimetri 48 ga teng. Uning tomonlaridan biri 12 ga teng bo`lsa, qolgan tomonlarini toping

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