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Números Racionais: Multiplicação e Divisão

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Números Racionais: Multiplicação e Divisão

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Desafio rápido sobre racionais.

Created by

Tânia Ramos
Tânia Ramos
Portugal

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Números Racionais: Multiplicação e Divisão
 

Números Racionais: Multiplicação e DivisãoOnline version

Desafio rápido sobre racionais.

by Tânia Ramos
1

Qual é o simétrico de -3/5?

2

Como se obtém o inverso de 4/7?

3

Resultado de (2/3) × (3/5) é:

4

Dividir (6/7) ÷ (2/3) resulta em:

5

Regra de sinais para (+) × (+) é:

6

Multiplicar números racionais segue:

7

Dividir por 1 mantém o número. Verdadeiro ou falso?

8

O que é o simétrico de +a/b?

9

Qual é o resultado de (8/9) × (0/1)?

10

Como se resolve (3/4) ÷ (5/6)?

 
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