Hisoblang (1200-480): 12+90

6-variant

1. Hisoblang

(1200-480):12+90 ^. 2=
A)124 B)210 C)240 D)210

2. Tenglamani yeching:

A) 2 B) -0,25 C) -3 D)

3. Ifodani soddalashtiring: 3х(х - у) – 5х(х + 3).

A) – 23х; B) –2х² – 21х; C)–2х² + 9х; D)8х² + 9х.
4. Uchta sonning o‘rta arifmetigi 24 ga, boshqa ikkitasiniki esa 29 ga teng.

yuqoridagi beshta sonning o‘rta arifmetigini toping.

A) 26 B) 26,5

C) 27 D) 27,5

5. х - tengsizlikning eng kichik butun qiymatini toping.

A) 0; B) 1; C) 2; D) 3.

6. To‘g‘ri burchakli uchburchakning kateti ga, bu katet qarshisidagi

burchak ga teng. Shu uchburchakning gipotenuzasini toping.

A) B) 12 C) D)

7. Uchburchak ichki burchaklari 3: 7:8 kabi nisbatda bo`lsa ulardan kichigini

toping.

A) 54⁰ B) 45⁰ C) 30⁰ D) 60⁰

8. Velosipedchi butun yo‘lning 0,6 qismini o‘tgach, qolgan yo‘l u bosib

o‘tgan yo‘ldan 8 m ga kamligi ma’lum bo‘ldi. Butun yo‘lning uzunligini

(km) toping.

A) 24 B) 40 C) 36,6 D) 20

9. ni soddalashtiring.

A) B) C) D) 1

10. 1 tenglamani yeching.

A) B)

C) D)