Колко от числата 1; 3; 8; 11; 13; 15; 17; 19; 21 са прости?

2024/2025 Климентови дни 5 клас

Quiz
•
Mathematics
•
5th Grade
•
Hard
Bogomil Nikolov
Used 4+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6
5
7
4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Колко прости числа има между числата 84 и 102?
1
2
3
4
3.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Четвъртото по големина общо кратно на числата 15 и 70 е?
210
840
420
880
4.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Сборът на 5 последователни естествени числа е 3330. Най-малкото от тях е:
667
663
664
666
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Кое равенство НЕ Е ВЯРНО?
6.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
В коя двойка числата са взаимно прости?
2565 и 123
39 и 91
77 и 84
83 и 84
7.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
1
2
3
5
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