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тест формулы сокращенного умножения

Authored by Татьяна Самойлова

Mathematics

7th - 8th Grade

Used 39+ times

тест формулы сокращенного умножения
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6 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Возвести в квадрат сумму 4+3х

4+12х+3х2

16+24х +9х2

2+12х+16

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Преобразуйте выражение в многочлен : (3у+2х)2

2+12ху+4х2

2+10ху+4х2

2+20ху+4х2

2-12ху+2х2

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Выполните умножение: (а + 2)(2 - а)

а2 - 4

а2 + 4

4 - а2

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Разложите на множители: 49m4 - 144n2

(7m - 12n)(7m + 12n)

(7m2 - 12n)(7m2 + 12n)

(7m3 + 12n)(7m3 + 12n)

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Представьте в виде многочлена: (6-m)2

36-12m+m2

36+12m+m2

6-12m+m2

36+12m+m

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

формула сумма кубов

a3+b3=(a-b)(a2−ab+b2)

3a+3b=(a+b)(a2−ab+b2)

a3+b3=(a+b)(a2−ab+b2)

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