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

14. Algebraik ifodaning qiymatini toping. x-y bunda x=8 y=-14
a) 8 b)6 c) 4 d) 2
15. Amallarni bajaring. 125-(23+39)
a) 60 b)59 c) 62 d) 61

16. Qavslarni oching va hisoblang. 14-(7-13+2)

a) 18 b)17 c) 16 d) 15

17. a=5,1 b=4,7 bo`lsa P=2(a+b) ifodaning son qiymatini toping.

a) 1,96 b)196 c) 19,6 d) 197
18. Tenglamani yeching. 9x-23=5x-11
a) 4 b)2 c) 3 d) -3
19. Tenglamani yeching. 4-8y+8=2y-10+7y+9

a) y=-1 b) y=1 c) y=0 d) y=2

20.O`quvchi bir son o`yladi. Agar uni 4 ga ko`paytirilsa, ko`paytmaga esa 8 soni qo`shilsa va hosil bo`lgan yig`indini 2 ga bo`linsa, u holda 10 hosil bo`ladi. O`quvchi qanday sonni o`ylagan?

21. Tenglamani yeching. 2x-3(x-1)=4+2(x-1)

22. Hisoblang. (-1)⁷

23. Ifodaning asosi a bo`lgan daraja shaklida yozing (a⁵)⁶

24. Amallarni bajaring. (-a)³(2a)

25. Amallarni bajaring. 4,07-5,49+8,93-1,51

^Savol

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6