Алгебра 7 класс. Алгебраические выражения
Quiz
•
Mathematics
•
7th Grade
•
Hard
Ульяна Сергеева
Used 1+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите значение выражения: 2(x-5):3 при x=11
3
5
4
7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите значение выражения: 2,8 - 0,5у при у=3
1,2
1,3
2,1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найди правильную запись: Сумма числа x и произведения чисел a и b
x+ab
x(a+b)
xa+xb
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выбери правильную запись: Разность произведения a и b и суммы чисел x и y
(a-b)+xy
ab-(x+y)
a+b-xy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Запишите в виде неравенства: x - отрицательное число
x>0
x<0
x>=0
x<=0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Запишите в виде двойного неравенства: x больше или равно 11 и меньше 12
11>x>12
11<x<=12
11<=x<12
11>=x>12
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Какие из перечисленных свойств верны
a+b=b+a
(a+b)+c=a+(b+c)
-a+b=-b+a
a(b+c)=ab+ac
ab:c=ac:b
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Найдите число, если известно, что 3% этого числа равны 1,8
6
10
60
30
9.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Решите уравнение: 2(x - 5) - (4 - x) = 4x+3
17
-17
14
-14
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