D25 - Efetuar cálculos que envolvam operações com números racionais (adição, subtração, multiplicação, divisão, potencia

Quiz
•
Mathematics
•
9th Grade
•
Medium

Jéssica Almeida
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Fazendo-se as operações indicadas em
0,74 + 0,5 – 1,5 temos:
– 0,64
– 0,26
0,26
0,64
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Fazendo-se as operações indicadas em
1,8 + 1,35 + 2,1 – 0,8,
obtém-se:
4,45
6,05
17,2
15,6
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
1
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Por quanto se deve multiplicar um número para
se obter o próprio número como resultado?
Deve-se multiplicar por 1
Deve-se multiplicar por 0
Deve-se multiplicar pelo inverso do número
Deve-se multiplicar por ele mesmo
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
0,680
3,128
4,352
31,28
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