Resolva os problemas 7

Quiz
•
Mathematics
•
7th Grade
•
Easy
Marcos Goes
Used 1+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2 + 3 x (-2) + 1
-3
3
2
-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Marcio acertou 15 questões da prova de matemática de um total de 25. Quantos por cento da proa ele acertou ?
60%
55%
65%
70%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
40
20
30
50
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assinale o item no qual as razões indicadas formam uma proporção:
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sabendo que os números x, 3, 8 e 12 formam, nessa ordem, uma proporção, o valor numérico de x é:
2
4
6
8
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o valor da equação : 3x + 6 = 18
-3
3
4
-4
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