
Desafios Matemáticos para o 8º Ano
Mathematics
8th Grade

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28 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2
4
5
6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3
-3
0
3 \text{ e } -3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é o perímetro de um triângulo com lados de 5 cm, 12 cm e 13 cm?
30 cm
25 cm
20 cm
40 cm
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
154 cm²
49 cm²
100 cm²
200 cm²
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4
2
8
6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
50
52
54
56
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