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Қысқаша көбейту формуласы

Authored by Аяжан Турдыжан

Mathematics

7th Grade

Used 10+ times

Қысқаша көбейту формуласы
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a3+8

(a-2)(a2-2a+4)

(a+2)(a2+2a+4)

(a+2)(a2-2a-4)

(a+2)(a2-2a+4)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(a – 2)3 көпмүше түріне келтір.

a3 – 6a2 + 12a – 8

a3+ 6a2 – 12a – 8

a3 – 6a2 + 12a + 8

a3 + 6a2+ 12a – 8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

8p3 + q3

(2p + q)(4p2 + 4pq – q2)

(2p + q)(4p2 – 2pq + q2 )

(2p + q)(4p2 + 2pq – q2)

(2p + q)(4p2 – 4pq – q2)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Дұрыс жазылған формулаларды тап.

x2+y2=(x+y)(x-y)

(x-y)2=(x-y)(x+y)

x3-y3=x3-3x2y+3xy2-y3

(x-y)3=x3-3x2y+3xy2-y3

(x+y)2=x2+2xy+y2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2х пен 3у-тің қосындысының кубын көпмүше түріне жаз

(2х+3у)2 =4x2+12xy+9y2

(2х+3у)3=8x3+36x2y+54xy2+27y3

(2x)3+(3y)3=(2x+3y)(4x2-6xy+9y2)

(2x-3y)(2x+3y)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Өрнекті ықшамда: (a+1)(a2-a+1)-a3

1

2a3

-1

2a3+1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Өрнекті ықшамда: (m-2)(m2+2m+4)+8

m3

m3-16

0

-16

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