
Різниця квадратів
Authored by Ирина Супрун
Mathematics
7th Grade
Used 6+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Вкажіть правильне розкриття дужок за формулою: (3b+5)(5-3b).
6b + 10
9b2 - 25
9b2 - 30b + 25
25 - 9b2
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Спростіть вираз використовуючи формули скроченого множення
(2а + 3в)(2а - 3в)
9в2 + 4а2
4а - 9в
4а2 - 9в2
9в2 - 4а2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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