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Қысқаша көбейту формулалары111

Authored by Акмарал Абдалиева

Mathematics

7th Grade

Used 1+ times

Қысқаша көбейту формулалары111
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11 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Екі өрнектің квадарттарының айырым:

2а+3b

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

а2b2=(a+b)(ab)а^2-b^2=\left(a+b\right)\left(a-b\right)

a2+22a^2+2^2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(a-b)² формуласы қалай жіктеледі?

a²+2ab+b²

a²-2ab+b²

a²+ab+b²

a²-2ab-b²

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Қысқаша көбейту формулаларына сәйкес келмейтінін таңда

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Көпмүше түрінде жазыңдар: (-4b-5c)(5c-4b)

16b2-25c2
25c2-16b2
25c2+16b2
16b2+25c2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

9x2-16y2

(3x-4y)(3x+4y)

(3x+4y)(3x+4y)

(3x-4y)(3x-4y)

(3x-4x)(3x+4x)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Көбейткішке жіктеңіз: 

4n6-1

(4n3-1)(4n3+1)
(2n3-1)(2n3-1)
(8n3-1)(8n3+1)
(2n3-1)(2n3+1)

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

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