
Razões e Proporções: Desafios Matemáticos
Authored by JIUNEI JULINHAK
Mathematics
12th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a razão na forma de fração entre os números 8 e 12.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0.75
0.85
0.875
0.95
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 3 pacotes de biscoitos custam $12,00, quanto custariam 5 pacotes?
$15,00
$18,00
$20,00
$22,00
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma receita, a proporção de açúcar para farinha é de 2:5. Se você usar 10 xícaras de farinha, quantas xícaras de açúcar são necessárias?
2
4
5
6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a razão na forma decimal de 15 para 20?
0.65
0.70
0.75
0.80
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0.3125
0.325
0.375
0.4
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