
Қысқаша көбейту формуласы
Authored by Аяжан Турдыжан
Mathematics
7th Grade
Used 10+ times

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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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