
Le espressioni aritmetiche
Authored by Calogero Salvo
Mathematics
1st Grade
Used 10+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual è il valore dell'espressione 3 + 4 x 2?
13
9
11
6
Answer explanation
Poiché le moltiplicazioni si eseguono prima dell'addizione, il calcolo è: 3 + 4 x 2 = 3 + 8 = 11.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quanto fa 5 x (2 + 3)?
25
10
15
5
Answer explanation
Si eseguono prima le operazioni all'interno delle parentesi: (2 + 3) = 5, poi 5 x 5 = 25.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è il valore di 8 − 4 x 2 + 3?
4
9
3
10
Answer explanation
Si eseguono le operazioni nel seguente ordine: prima moltiplicazione, poi sottrazione e addizione. 8−4×2+3 = 8−8+3=3.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è il risultato di (6 + 2) x (3 − 1)?
12
18
16
24
Answer explanation
Si eseguono prima le operazioni dentro le parentesi: (6+2)=8 e (3 − 1) = 2, poi si moltiplica: 8 x 2 = 16.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quanto fa 9 ÷ (3 + 2)?
2,5
1,8
3,4
2
Answer explanation
Prima sommiamo all'interno delle parentesi: (3 + 2) = 5, poi eseguiamo la divisione: 9 ÷ 5 = 1,8.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è il risultato di (5 + 3) x 2 − 6?
10
12
20
16
Answer explanation
Si eseguono prima le operazioni fra parentesi, poi le moltiplicazioni: (5 + 3) = 8, poi 8 x 2 = 16, infine 16 − 6 = 10.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual è il valore di 7 + 3 x (5 − 2)?
11
18
21
16
Answer explanation
Prima si esegue l'operazione dentro le parentesi, poi le moltiplicazioni: (5 − 2) = 3, poi 3 x 3 = 9, infine 7 + 9 = 16.
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