1. Ifodani soddalashtiring: 3(2x + 1) + 5

1. Ifodani soddalashtiring: 3(2x + 1) + 5(1 + 3x)

A) 11x+8 B)21x+8 C) 5x+2 D)15x+5

2. Ifodani soddalashtiring va son qiymatini toping: 8(10 – x) + 4(2x – 1) , bunda x= - 0,048

A) 15,22 B) 76 C) 70,48 D) 72

3. Qavslarni oching: a – (b + (c – (d – k )))

A)a-b-c+d-k B) a-b+c+d-k C) a-b-c-d-k D) a-b-c+d+k

4. Soddalashtiring: 8x – (3x – 2y) – 5y

A)5x+3y B)5x-7y C) 5x+7y D) 5x-3y

5. Ifodani avval soddalashtirib , keyin son qiymatini qoying:

(7x + 8y) – (5x – 2y), bunda x= - 3/4 y= 0,025

A) -1,25 B) -5/2 C) 2,5 D) `

6. Tenglamalarni yeching: 8y – 9 – 4y + 5 = 12y – 4 – 5y

A) B) cheksiz ko’p C)0 D) 5

7. Tenglamalarni yeching:

A) B) cheksiz ko’p C)5 D) 0

8. Ifodani soddalashtiring:

A) aⁿ+b^m B) bn+am C) a^m+bⁿ D)bm+an

9. Ifodani soddalashtiring

A)b^4n-2 B) b⁴ⁿ⁺² C) b^4n-1 D)b⁴ⁿ

10.

A) -26a⁴b⁴c⁵ B) 2,6a⁴b⁴c⁵ C) -2,6a⁴b⁴c⁵ D) 26a⁴b⁴c⁵

11. n ning qanday qiymatida tenglik to’g’ri bo’ladi:

A) 4 B) 2 C) 3 D) 1,5

12.