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ФСУ 7 класс

Authored by Анна Клейменова

Mathematics

7th Grade

Used 2+ times

ФСУ 7 класс
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7 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Выберите формулу "Куб суммы"

a3+b3= a3-3a2b+3ab2-b3

a3+b3=(a-b)(a+b)

(a+b)3=a3+3ab+b3

(a+b)3=a3+3a2b+3ab2+ b3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Выберите формулу "Разность квадратов"

a2+b2=a2+2ab+b2

a2-b2=(a+b)(a-b)

(a-b)2=(a-b)(a+b)

a2-b2= a2-2ab+b2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Выберите формулу "Квадрат разности"

(a-b)2=a2-ab-b2

a2-b2=(a+b)(a2-ab+b2)

a2-b2=a-b*b+a

(a-b)2=a2-2ab+b2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Выберите продолжение формулы: "a3+b3=........."

(a+b)(a2-ab+b2)

(a-b)(a2-2ab+b2)

(a+b)(a2-2ab+b2)

(a-b)(a2-ab+b2)

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Выберите формулу "Квадрат суммы"

a2+b2=a2-2ab-b2

(a+b)2=(a+b)(a-b)

(a+b)2=a2+2ab+b2

(a+b)2=a2-2ab+b2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Выберите формулу "Куб разности"

a3-b3= a3+3a2b+3ab2+b3

a3-b3=(a-b)(a+b)

(a-b)3=(a-b)(a+b)

(a-b)3=a3-3a2b+3ab2-b3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Выберите продолжение формулы: "a3-b3=........."

(a-b)(a2+ab+b2)

(a+b)(a2-2ab+b2)

(a-b)(a2-2ab-b2)

(a+b)(a2+ab+b2)

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