
números inteiros
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
ANTONIO LEODIR DE OLIVEIRA
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20 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Na multiplicação e divisão de inteiros valem as seguintes regras:
Sinais iguais resposta negativa
Sinais diferentes resposta positiva
Sinais iguais resposta positiva
Sinais diferentes resposta é zero
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Na adição e subtração de números inteiros valem as seguintes regras:
Sinais iguais somamos e repetimos o sinal
Sinais diferentes somamos e repetimos o sinal
Sinais iguais diminuímos e conservamos sinal do maior
Sinais diferentes diminuímos e conservamos sinal do maior
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 5 fotocópias custam R$ 10,00. Quantas fotocópias se fazem com R$24,00?
10 fotocópias
12 fotocópias
13 fotocópias
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A expressão será igual a:
24
20
4
-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um grupo com 10 pessoas está fazendo uma obra.
Se mais 4 pessoas se integrarem ao grupo, todos com a mesma capacidade de trabalho, podemos afirmar que a tendência é:
O tempo de duração da obra aumentar.
O tempo de duração da obra diminuir.
O tempo de duração da obra não se alterar
O tempo de duração da obra é irrelevante
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule (-3).(-8)
24
3/8
-24
3,8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(−50):(+2)
-25
+25
5
-48
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