
numeri razionali e reali
Authored by matteo barone
Mathematics
9th Grade

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8 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
non si sa
si
no
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
si
no
non si sa
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
una nonna vuole regalare 250 euro ai nipoti dividendo la somma in parti uguali.
una volta fatto il conto, decide di aggiungere denaro in modo da dare a ciascun nipote solo banconote. qual'è la minima cifra che dovrà aggiungere complessivamente?
10 euro
20 euro
15 euro
5 euro
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
1
8
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Delle tre frazioni 5/6; 25/30 30/25 possiamo dire che:
si equivalgono la prima e la terza
si equivalgono la seconda e la terza
si equivalgono la prima e la seconda
sono tutte equivalenti
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Una fotocopiatrice A produce in un minuto il quadruplo delle fotocopie prodotte dalla fotocopiatrice B. Se A e B lavorano contemporaneamente producono insieme in 1 minuto 30 fotocopie. Quante fotocopie possono essere prodotte in un minuto da due fotocpiatrici del tipo A?
30
36
48
60
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
dividendo l'intero in cinque parti uguali e considerandone una si ottiene
1/6
1/5
1/4
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