1. Onasi tokchadan tushsa bolalari yugurib kelar jumbog‘idan egalik qo‘shimchalarini aniqlang

7 – sinf

1.m va n sonlar yig`indisining ikkilanganligini yoz.

a) 2(m+n) b)2(m-n) c) 2mn d) m+n
2.a va b sonlar kvadratlari ayirmasini ko`rsating.

a) (a-b)² b)a²-b² c) (a-b)^{2 d) ab}

3.2a+5b²ifodaning qiymatini toping bunda a=2 b=3

a)49 b)-43 c)51 d) 85

4)Ko`paytmani daraja shaklida yozing

a) b) c) 51 d) 33

5. Ifodani soddalashtiring. p·p·p+q·q+c·c·c·c·c

a) p²+2q+4c b)p³+q²+c⁴ c) p²+q²+4c d) 0

6.c va 3 sonlarining yig`indisining kvadratini yozing.

a) (c+3)² b)c²+3² c) 2*(c²+3²) d) c+3

7.Agar AB=15 sm BC=10 sm bo`lsa,AC ni toping

a)20 sm b)5 sm c)25 sm d) 30 cm

8. 3⁸ni bir xil asosli va bir xil darajali ko`paytma shaklida yozing:

a) 3⁴*3⁴ b)3⁹*3⁵ c)3²*3 ^{6 d) 0}

9.Asosi 2 bo`lgan daraja shaklida yozing: 2*64*32

a)2¹⁰ b)2⁸ c)2¹²

10.Ifodaning qiymatini toping: a²*a³ bunda a=4

a)1024 b)256 c)1025 d) 10000

11.Asosi 3 bo`lgan daraja shaklida yozing: 9*27

a)3⁴ b)3⁵ d) 3*6 c)3³

12.Bo`linmani daraja shaklida yozing: 7¹⁰:7⁵

a)7¹⁵ b)7⁵ d) 7*5 c)7⁵⁰

13.Ko`paytmani darajaga ko`taring: (6*8)⁵

a) 6⁵*8⁵ b)6⁵*8 d) 45 c)6*8⁵

14. ,, li burchaklarga qo`shni bo`lgan burchaklarni toping

a) b) c) d) 120,0.55

15.Kasrni darajaga ko`taring:

a) b) c) d) 8*9