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Қысқаша көбейту формулалары

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

(a−b)2=?\left(a-b\right)^2=?  

a)

a2−2ab+b2a^2-2ab+b^2  

b)

a2+2ab+b2a^2+2ab+b^2  

c)

a2−ab+b2a^2-ab+b^2  

d)

a2−b2a^2-b^2  

2.

a2−b2=?a^2-b^2=?  

a)

(a+b)(a+b)\left(a+b\right)\left(a+b\right)  

b)

(a+b)(a−b)\left(a+b\right)\left(a-b\right)  

c)

(a−b)2\left(a-b\right)^2  

d)

a2−2ab+b2a^2-2ab+b^2  

3.

a3+b3=?a^3+b^3=?  

a)

(a+b)(a2−2ab+b2)\left(a+b\right)\left(a^2-2ab+b^2\right)  

b)

(a+b)3\left(a+b\right)^3  

c)

(a−b)(a2+ab+b2)\left(a-b\right)\left(a^2+ab+b^2\right)  

d)

(a+b)(a2−ab+b2)\left(a+b\right)\left(a^2-ab+b^2\right)  

4.

a2+b2=?a^2+b^2=?  

a)

(a−b)2+2ab\left(a-b\right)^2+2ab  

b)

(a+b)2−2ab\left(a+b\right)^2-2ab  

c)

(a+b)2+2ab\left(a+b\right)^2+2ab  

d)

(a+b)2+ab\left(a+b\right)^2+ab  

5.

a3+3a2b+3ab2+b3=?a^3+3a^2b+3ab^2+b^3=?  

a)

(a+b)3\left(a+b\right)^3  

b)

(a−b)3\left(a-b\right)^3  

c)

a3+b3a^3+b^3  

d)

a3−b3a^3-b^3  

6.

Бірмүшенің дәрежесін анықтаңыз: 7a3bc5d77a^3bc^5d^7  

a)

23

b)

7

c)

15

d)

16

7.

Қай формула дұрыс?

a)

a2−b2=(a−b)(a+b)a^2-b^2=\left(a-b\right)\left(a+b\right)  

b)

(a+b)2=a2−2ab+b2\left(a+b\right)^2=a^2-2ab+b^2  

c)

(a+b+c)2=a2+b2+c2+2ab+2bc+2ac\left(a+b+c\right)^2=a^2+b^2+c^2+2ab+2bc+2ac  

d)

(a−b)2=a2−b2\left(a-b\right)^2=a^2-b^2  

e)

(a−b)3=a3−3a2b−3ab2−b3\left(a-b\right)^3=a^3-3a^2b-3ab^2-b^3  

8.

Қай формула бұрыс?

a)

a3+b3=(a+b)(a2−ab+b2)a^3+b^3=\left(a+b\right)\left(a^2-ab+b^2\right)  

b)

(a+b)2=a2+2ab+b2\left(a+b\right)^2=a^2+2ab+b^2  

c)

(a−b)3=a3−3a2b+3ab2−b3\left(a-b\right)^3=a^3-3a^2b+3ab^2-b^3  

d)

a2+b2=(a+b)2+2aba^2+b^2=\left(a+b\right)^2+2ab  

9.

Көпмүшенің бас коэффициентін табыңыз: 7ax2b3−6b4xy2+a3b6c−2ab3x47ax^2b^3-6b^4xy^2+a^3b^6c-2ab^3x^4  

a)

1

b)

7

c)

-6

d)

-2

10.

1722−17123=?\sqrt[3]{172^2-171^2}=?  

a)

7

b)

9

c)

3

d)

5