Формули за съкратено умножение
Presentation
•
Mathematics
•
7th Grade
•
Easy
Maria Borisova
Used 8+ times
FREE Resource
7 Slides • 4 Questions
1
Формули за съкратено умножение
Мария Борисова
2
Формули:
(a+b)2 = a2+2ab+b2
(a-b)2 = a2-2ab+b2
(a+b)3 = a3+3a2b+3ab2+b3
(a-b)3 = a3-3a2b+3ab2-b3
(a+b)(a2-ab+b2) = a3+b3
(a-b)(a2+ab+b2)= a3-b3
(a-b)(a+b)= a2-b2
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4
Multiple Choice
(x2−3)2=
x4+4x2+4
x4−6x2+9
5
6
Multiple Choice
(x−5)3=
x3−15x2+75x−125
x6+6x4+12x2+8
7
8
Multiple Choice
(4+x2)(16−4x2+x4)=
x6+64
x4−25
9
10
Multiple Choice
(5+x2)(x2−5)=
x6−8
x4−25
11
Браво, ти вече знаеш формулите за съкратено умножение!
Формули за съкратено умножение
Мария Борисова
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