1. Tenglamani yeching. 3x+2x=17+(-27) a) 2 b)-2 c)3 d)4

a) 15 b)14 c)13 d)12
17. Tenglamani yeching. 0,71x+1,98=0,37x-1,76
a) 11 b)10 c)9 d)8
18. Teng yonli uchburchakning perimetri 51 sm gat eng. Asos yon tomondan 6 sm uzun. Shu uchburchak yon tomonining asosiga nisbatini toping.

a) 5 b) c)7 d)-7

19. Proporsiyaning noma`lum hadini toping. 30:10=6:x

a) 1 b)2 c)3 d)4
20. Tenglamani yeching. =x

21. 5 sonining kubi qanday raqam bilan tugaydi?

22. To`g`ri to`rtburchakning bo`yi 8 smga teng. Eni bo`yidan 1,5 sm qisqa. To`g`ri to`rtburchakning perimetrini toping.
23. 12 kvadrati qanday raqam bilan tugaydi?
24. Matematikada raqamlar soni nechta?
25.Hisoblang. -(-3)² (-2)³

^Savol

^1

^2

^3

^4

^5

^6

^7

^8

^9

^10

^11

^12

^13

^14

^15

^16

^17

^18

^19

^20

^21

^22

^23

^24

^25

^Javob

^B

^A

^D

^C

^A

^B

^C

^D

^B

^B

^A

^A

^B

^D

^D

^A

^A

^B

^B

^5

^5

^29 sm

^4

^10

^72

7-sinf A L G E B R A

II-CHORAK

1.Hisoblang. -5(-2)³

a) 10 b)40 c)30 d)20
2.Amallarni bajaring. (-0,1 ab²c)² (100by²)
a) 20 ab b)a²b⁵c²y² c)30 b d)10b³y²c²
3.Birhadni darajaga ko`taring. (-2a² b)³
a) -8a⁶b³ b) 8a⁶b³ c) 18a⁴b² d) -2a²b

4.Birhadni ko`pytiring. (5a) (a² b²) (-2b) (-3a)

a) 30a⁴b³ b) 20a⁴b³ c) -30a⁴b³ d) 20a⁵b⁶
5.Sonlarning asosi 2 bo`lgan daraja shaklida yozing. 1024
a) 2² b) 2⁸ c) 2¹⁰ d) 2¹¹

6.Tenglamani yeching. X^. 2⁶=2⁸

a) x b) x³ c) x² d) x⁴
7.Ifodani ko`rsatkichi 3 bo`lgan daraja shaklida yozing. -125n⁶ m⁶
a) (5² m³ n³)³ b) 5³ n⁶ m⁶ c) -5³ m⁶ n⁶ d) (-5 n² m²)³
8.Hisoblang. . .