
Формулы и выражения
Authored by Дилара Ахметченова
Mathematics
7th Grade
Used 2+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Представьте в виде многочлена: (7в⁴+5а²)(5а²-7в⁴)
-49b⁴ + 25a²
-49b⁸ + 25a⁴
-25a⁴ + 49b⁸
15a⁴ - 9b
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Упростите выражение: -5а(2+а)-(а-8)(а+8)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
решите уравнение
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как записывается ФСУ-разность квадратов?
a^2 - b^2=(a - b)(a + b)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как читается ФСУ-разность квадратов?
Формула Разности равна произведению разности этих выражений на их сумму.
Разность квадратов двух выражений равна произведению разности этих выражений на их разность.
Разность квадратов двух выражений равна произведению этих выражений
Разность квадратов двух выражений равна произведению разности этих выражений на их сумму.
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