
ФСУ повторение
Authored by Лана Исаева
Mathematics
7th Grade
Used 3+ times

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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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