Operações com racionais
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Anabela Oliveira
Used 21+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A soma de -10 com o seu simétrico é igual a ...
0
20
-1
-20
2.
OPEN ENDED QUESTION
45 sec • 1 pt
A figura representa uma roleta com números positivos e números negativos. O jogo consiste em rodar a roleta 3 vezes e somar os pontos obtidos.
O Ricardo girou a roleta duas vezes e saíram os números -15 e +8. Qual é o número que terá de sair na 3ª rodada para obter 5 pontos?
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Verdadeiro
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a diferença entre -1 e o seu simétrico?
1
+2
-2
0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de a na expressão anterior?
-11
+11
+9
-9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das expressões numéricas representa um número inteiro?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observa a seguinte igualdade
Qual é o valor de a que torna a igualdade verdadeira?
7
-7
12
-12
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