
Алгебра 7 класс
Authored by Маргарита Алексеева
Mathematics
7th Grade
Used 1+ times

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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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