преобразования алгебраических выражений

преобразования алгебраических выражений

5th - 6th Grade

10 Qs

quiz-placeholder

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преобразования алгебраических выражений

преобразования алгебраических выражений

Assessment

Quiz

Mathematics

5th - 6th Grade

Hard

CCSS
7.EE.A.1

Standards-aligned

Created by

Aliya Tolebayeva

Used 5+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Какое из выражений является тождественно равным для 

 a+bca+b-c  

 ab+ca-b+c  

 ac+ba-c+b  

 abca-b-c  

 a+cba+c-b  

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

В ходе тождественных преобразований выражения

 4(1,5x)4\left(-1,5x\right)  примет вид

 6x-6x  

 2,5x-2,5x  

 2,5x2,5x  

 41,5x4-1,5x  

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Упростить выражение

 18n6s9n+8s18n-6s-9n+8s  

 9n14s9n-14s  

 9n2s9n-2s  

 9n+2s9n+2s  

Tags

CCSS.7.EE.A.1

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Упростите выражение - 20 - (7 - x)

- 27 - x

- 13 + x

- 27 + x

- 13 - x

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Раскройте скобки 6( 3 - 2x + y)

18 - 12x + 6y

18 - 2x + y

6x + 6y

18 - 12x + y

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Упростите выражение - 8x ⋅ 3у

-5xy

11 ⋅ ( x - y )

-24xy

24xy

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Приведите подобные слагаемые 3а - 12b - 8a - b

-5a - 13b

-5a - 11b

11a - 13b

11a - 11b

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