multipli, divisori e numeri primi
Quiz
•
Mathematics
•
5th Grade
•
Medium
Silvia Filippini
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un numero primo è:
un numero che ha come divisore solo il numero 1
un numero che ha come divisore 1 e se stesso
solo il numero 1 è primo
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quali tra questi sono numeri primi:
1,2, 13, 19
1,2, 5, 10
2,5,13,19
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quali sono i divisori di 6?
1,2,3
0,1,2,3,6
1,2,3,6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Scegli i multipli di 5:
0,15,20,33
1,5,15,20,35
0,5,15,20, 35
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un numero composto è:
un numero che si compone di decine e unità
un numero che ha come divisore, oltre ad 1 e a se stesso, altri divisori
un numero che ha come divisore solo 1 e se stesso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
20 è multiplo di 4 e 4 è divisore di 20. Questa affermazione è:
vera
falsa
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
il numero 3 è divisore di quali numeri?
3,4,6,9
3,6,9
di tutti i numeri dispari
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