Вычислите: (55)5⋅(−5)−23
10 класс. Устный счёт 1

Quiz
•
Mathematics
•
10th Grade
•
Medium
Юлия Николаевна Жукова
Used 7+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
25
– 25
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
15
–30
75
45
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
sin 45°
1
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Является ли число 3 корнем этого уравнения
да
нет
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Вычислите: 27,5² – 17,5²
400
40
45
450
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
– 3
1
3
–1
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
– 5,7
– 6,7
– 7,1
8.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
cos 60°
1
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