қысқаша көбейту формуласы 03.03.23
Authored by Гулнар Орынбай
Education
7th Grade
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(a+b)2=
a2-ab+b2
a2+2ab+b2
a2+2ab-b2
a2+2ac+b2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(4+x)2 =
16+4x+x2
16-8x-x2
4+2x+x2
16+8x+x2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
27x3-54x2y+36xy2-8y3
(3y+2x)2
(3x-2y)3
(3x2+2y)3
(3x-2y)3
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(a+2b)3 =
a3 +6a2b+12ab2+8b3
a3+12a2b-6ab2-b3
a2+2ab+3ab+b3
a3+8b3
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(2x-3y)(2x+3y)=
4x2+9y2
4x2-9y2
9y2+4x3
(4x-3y)(4x+3y)
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(3a-b)2
(3a-b)(3a+b)
9a2-18ab+b2
9a2+18ab+b2
9a2+12ab+b2
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
c2-25=
c2+25c-25
c2+2c+25
(c+5)(c+5)
(c-5)(c+5)
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