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Алгебра 7 класс

Authored by Маргарита Алексеева

Mathematics

7th Grade

Used 1+ times

Алгебра 7 класс
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5 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Упростите выражение: -8m + 5t - 2m - t

-6m + 4t

-10m +4t

-10m - 4t

-6m - 4t

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Решите уравнение: 1,5x + 7 = -5.5x -14

х = 3

х = -3

х = 1,75

х = -1,75

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Выполните умножение и приведите подобные слагаемые: (2m + 4,2s)(-9s-3m)

-6m^2 - 37,8s^2 - 30,6 ms

-6m^2 - 37,8s^2 - 5,4 ms

-6m^2 - 37,8s^2 + 30,6 ms

-5m -13,2s

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Преобразуйте в многочлен: (3х + 2у)^2

9x^2+4y^2

6x+4y

9x^2 + 12xy +4y^2

9x^2 + 6xy +4y^2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Упростите выражение: (a^4) : (a^2) * a

a^3

a^7

a

a^4

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