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Формулы сокращенного умножения

Authored by Анна Кайдина

Mathematics

7th Grade

Used 10+ times

Формулы сокращенного умножения
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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Возведите в куб двучлен 3х + 2:


27x3 +54x2 +12x+8

9x3 +18x+8

27x3 +18x2 +12x+8

27x3 +54x2 +36x+8

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Представьте в виде степени: 25x2 + 40xy + 16y2

(25x+4y)2

(25x+16y)2


(5x+4y)2


(5x-4y)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Выполните возведение в квадрат: (7b + b5)2

49b2 +7b6 +b10

7b2 +14b6 +7b10


49b2 +14b6 +b10

49b2 +14b6 +b25

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Разложите на множители а4b3 - a5b4

a5b4(b2 - a2)

a4b2(b2 - a2)


a4b3(1 - ab)

a4b2(b - ab2)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Разложите на множители a(2 + b) + b + 2

(b + 2)(a + 1)

(b + 2)a


(2 + b)(a - 1)

(2 + b)(1 - a)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Разложите на множители 5x - 5y - ax + ay


(x - y)(a - 5)


(x - y)(5 - a)


(x - y)(a + 5)


(y - x)(5 + а)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Упростите выражение: (4у+3)2−(4у+3)(4у−3)

24у+18

12у+2

12у


24у2

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