Expressões numéricas

Expressões numéricas

6th Grade

8 Qs

quiz-placeholder

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การคูณและการหาร (Multiplication and division)

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Expressões numéricas

Expressões numéricas

Assessment

Quiz

Mathematics

6th Grade

Practice Problem

Medium

Created by

Lílian Magalhães

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual o resultado da expressão abaixo?
 3×423\times4-2  

6

8

10

12

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Quanto vale a expressão abaixo?
 (7+8)÷3\left(7+8\right)\div3  

5

4

3

2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcule o valor da expressão:
 [9+(5+7×2)]\left[9+\left(5+7\times2\right)\right]  

30

31

28

21

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A divisão é a operação inversa da multiplicação.

Falso.

Verdadeiro.

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt


 12÷3=412\div3=4  

pois,

 3+4=73+4=7  

 123=912-3=9  

 4+3=74+3=7  

 3×4=123\times4=12  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quanto vale o  Δ\Delta   ?

 15×Δ=4515\times\Delta=45  

1

2

3

4

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt


Se
 Δ+Δ+Δ=6\Delta+\Delta+\Delta=6 

 α+Δ=5\alpha+\Delta=5  

Quanto vale  Δ×α\Delta\times\alpha  ?

4

6

8

10

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