Test B: Matematika

2. Tenglamani yeching: 50x35 7 48 83  
A) 4,8 B) 2,6 C) D) 5,6
3. a-b=15 bo’lsa, (2a-2b):5+4 ning qiymatini toping.
A) 18 B) 10 C) 15 D) 8
4. Tenglamalar sistemasini qanoatlantiruvchi sonlar juftligini aniqlang: ^_^{x y 5}
_2x2y2
A) (2; 7) B) (-5; 3) C) (3; 2) D) (-2; -4)
5. Berilgan nuqtadan bir xil uzoqlikda joylashgan nuqtalar to’plamidan iborat geometrik shakl - …

A) aylana

B) ellips

C) doira

D) uchburchak

sonlarning EKUKini hisoblang.
A) 15 B) 8 C) D)

7. Hisoblang 2 m 4 dm 7 sm + 1m 6 dm + 2 sm
A) 18,7 dm B) 17 m C) 409 sm 8. Ifodani soddalashtiring: 4,27a-3,73a+19,8a	D) 977 sm
A) 17a B) 12,02a C) 20,34a	D) -12,8a

9. 35 % i 245 bo`lgan sonni toping.
A) 130 B) 1270 C) 1520 D) 700
10. Ko’phadni ko’paytuvchilarga ajrating. -2b+ - A) ( -b)(2+ +b)

2. 
   (2b-a)( -2b)
   
3. 
   (4a+8b-2)(a+b)
   
4. 
   ( +b)(2- +b)