Вычислите: 81-3:3-10
Проверка 7-8 класс (алгебра)

Quiz
•
Mathematics
•
9th Grade
•
Hard
Фериде Гаджиева
Used 23+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
9
-3
-9
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Выберите верное равенство:
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Укажите выражение, которое тождественно равно выражению 3a-3b
-3(a-b)
-3(a+b)
-3(-a-b)
-3(-a+b)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Корнем какого уравнения является число 0,5?
2х-3=0
2х+1=0
2х+3=0
2х-1=0
4х-2=2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
0
-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какое из данных уравнений не имеет корней?
5х-х2=0
10х2=0
х2-1=0
х2=х
0,5х2+1=0
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Укажите уравнение, которое имеет 2 корня
4х2-4х+1=0
х2+х+2=0
х2-2х+1=0
х2+х+1=0
х2-х-2=0
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