
Desvendando as Razões
Mathematics
7th Grade
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30 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Qual é a razão entre 12 e 4?
2
3
4
8
Answer explanation
A razão entre 12 e 4 é calculada dividindo 12 por 4. 12 ÷ 4 = 3. Portanto, a resposta correta é 3.
2.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
9
20
10
15
Answer explanation
A razão entre x e 5 é 4, ou seja, x/5 = 4. Multiplicando ambos os lados por 5, obtemos x = 20. Portanto, o valor de x é 20.
3.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
A razão entre 18 e 6 é igual a:
2
3
4
6
Answer explanation
A razão entre 18 e 6 é calculada dividindo 18 por 6. 18 ÷ 6 = 3. Portanto, a resposta correta é 3.
4.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
12
35
25
14
Answer explanation
A razão entre a e 7 é 5, ou seja, a/7 = 5. Multiplicando ambos os lados por 7, temos a = 5 * 7. Portanto, a = 35. A resposta correta é 35.
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Qual é a razão entre 45 e 9?
4
5
6
9
Answer explanation
A razão entre 45 e 9 é calculada dividindo 45 por 9. 45 ÷ 9 = 5. Portanto, a resposta correta é 5.
6.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
14
48
16
54
Answer explanation
A razão entre y e 8 é 6, ou seja, y/8 = 6. Multiplicando ambos os lados por 8, temos y = 6 * 8. Portanto, y = 48. A resposta correta é 48.
7.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
A razão entre 24 e 3 é:
6
7
8
9
Answer explanation
A razão entre 24 e 3 é calculada dividindo 24 por 3. 24 ÷ 3 = 8. Portanto, a resposta correta é 8.
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