Tenglamani yeching: (2x-3)

7-sinf
03.12.2021
1.Soddalashtiring:
A)a B)a⁶ C)a⁹ D)a¹³
2.Tenglamani yeching: (2x-3)² -4x ·(x+5) = -23
A)2 B)1 C)3 D)5
3.Kasrni qisqartiring:
A)x-y B)-(x-y) C)x+y D)-(x+y)
4.Hisoblang:
A)5 B)1 C)2 D)6
5. Ko’paytuvchilarga ajrating. 7a·(5a-3b) -10a+6b
A)(5a+3b) (7a-2) B)(5a-3b)(7a+2) C)(5a-3b)(7a-2) D)(5a+3b)(7a+2)
6. 48 va 60 sonlarni EKUKini toping.
A)120 B)240 C)60 D)480
7.Proporsiyaning noma’lum hadini toping: x:1,5 = 100:6
A)15 B)25 C)10 D)5
8. Ifodani soddalashtiring: 5у – (4у – (3у – (2у +( у – 1)))).
A) 2y + 1 B) 3y – 1 C) y – 1 D) y + 1
9.Ko’paytuvchilarga ajrating: (x-1)² -4
A)(x+1) ·(x-3) B)(x-1) (x-3) C)(x-1) (x+3) D)(x+3) (x+1)
10. Agar a = , b = , bo’lsa, algebraik kasrning son qiymatini toping.

A) B) 12 C) D)

11.Bo’lishni bajaring va soddalashtiring:
(6y⁴ -5y³) : (2y³) + (12y²+8y) : 3y
A)6y+
12.Soddalashtiring: (a-b)² – (a+b)²
A)-4ab B)2a² C)2b² D)2a²-b²
13.Ko’phadni standart shaklida yozing:
4a ·a ·
A)2a⁵ B)4a⁹ C) a⁹ D)a⁵+a⁴


14. Ko’paytuvchilarga ajrating: a⁶-4b²
A)(a³-2b)(a³+2b) B)(a³-4b)(a³+4b)
C)(a⁶-2b)(a⁶+2b) D)(a³-2b)(2b-a³)


15. Tenglamaniyeching:
А) 2 C) 3 D)


16. Hisoblang:
A) ; B) ; C) ; D)


18.To’g’rito’rtburchakning yuzi 240sm² ga teng. Bo’yi 40 sm bo’lsa, to’rtburchak enini toping.
A)6sm B)4sm C)20sm D)60sm


19. Quyidagi kasrlarni o‘sish tartibida yozing. A) B) C) D)

20. ni hisoblang.
A) B) C) D) E)

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