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ФСУ повторение

Authored by Лана Исаева

Mathematics

7th Grade

Used 3+ times

ФСУ повторение
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23 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Выбери верное продолжение тождества (a+b)(a-b)=

a2+b2

a2-b2

а-b

a+b

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Выбери правильную формулу квадрата разности:

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

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

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

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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Выберите НЕВЕРНОЕ равенство

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(5-a)(5+a)=

a2+25

25-a

25-a2

a2-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Преобразуйте в многочлен (у - 4)2

у2 - 4у - 42

у2 — 8у + 16

у2 + 8у + 16

у2 - 42

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Разложите на множители многочлен 16-x2

(2-x)(2+x)

(4-x)(4+x)

(4+x)(4+x)

(x-4)(x+4)

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Допишите равенство: (a+2b)2=a2+4ab+...

2b2

3b2

4b2

5b

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