формулы сокращённого умножения
Quiz
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Easy
Екатерина Вальтиева
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
формула квадрата суммы
(a+b)2=a2+2ab+b2
(a+b)2=a2-2ab+b2
(a+b)2=a2+b2
a2+b2=(a-b)(a+b)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
формула разности квадратов
(a-b)2=a2-b2
(a-b)2=a2-2ab+b2
a2-b2=(a-b)(a+b)
a2+b2=(a+b)(a-b)
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
как называется эта формула?
(a-b)2=a2-2ab+b2
квадрат разности
квадрат суммы
разность квадратов
разность кубов
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
напиши продолжение формулы и ее название a2-b2=
a2-2ab+b2
квадрат разности
(a-b)(a-b)
разность квадратов
a2+2ab+b2
квадрат суммы
(a-b)(a+b)
разность квадратов
5.
DRAW QUESTION
5 mins • 1 pt
напиши формулу "квадрат суммы"

6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
какая это формула?
(a-b)2=a2+2ab+b2
квадрат суммы
разность квадратов
квадрат разности
нет такой формулы
Answer explanation
важно обращать внимание на знаки))
7.
DRAW QUESTION
5 mins • 1 pt
допиши формулы
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