Математика. Формула сокращенного умножения Flashcards

1
Q

a² – b²

A

(a – b)(a + b)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

(a + b)²

A

a² + 2ab + b²

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

(a – b)²

A

a² – 2ab + b²

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

a³ + b³

A

(a + b)( a² – ab + b²)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

a³ – b³

A

(a – b)( a² + ab + b²)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

(a + b)³

A

a³ + 3a²b + 3ab² + b³

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

(a – b)³

A

a³ – 3a²b + 3ab² – b³

How well did you know this?
1
Not at all
2
3
4
5
Perfectly