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

Делимост, НОК и НОД

Quiz
•
Mathematics
•
5th Grade
•
Hard
Darina Stoyanova
Used 15+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6
5
7
4
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
На 3 се дели числото:
3301
7701
7702
1204
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
На 2 се дели числото:
412321
222111
300505
107312
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Числото 330 се разлага на произведение от прости множители по следния начин
2.2.5.7
3.5.7.11
2.3.5.11
нито един от тях
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Числото 4822x се дели на 3 и не се дели на 2. Коя цифра трябва да се постави на мястото на буквата x?
2
3
5
7
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Числото 44х58y се дели и на 2, и на 5, и на 3. Цифрите, които трябва да се поставят на местата на х и y са;
1 и 5
6 и 0
1 и 6
7 и 5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
НОД(42,54) е:
12
6
3
2
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