Question

Resolva a fração a seguir:
1/2×2/3÷1/3=?
2/4÷1/5=?
4/7-6/2=?

Answer 1

Resposta:

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Answer 2

Resposta:

A)1

B)2/5

C)4/21

Explicação passo-a-passo:

A)1/2× 2/3 ÷ 1/3

1/2 × 2/3 ÷ 1/3

1/2 × 2/3 ×3

1/2 × 2/3 ÷ 1/3 aqui

risque os dois numeros 2

1/3 ×3

1/3 ×3 aqui

risque os dois numeros 3 e 3

1

resposta

1

B)2/4 ÷ 1/5

2/4 ÷ 1/5

2/4 ×5

2/4 ÷ 1/5 aqui

risque os dois numeros 2 e 4

1/2 ×5

1/2 × 5/1

1+5/2×1

5/2×1

1×5/2×1

5/2

1/2 ×5

2/5

Resposta

2/5

C)4/7 ÷ 6/2

4/7 ÷ 6/2

4/7 × 2/6

4/7 × 2/6 aqui

risque os dois numeros 2 e 6

4/7 × 1/3

4×1/7×3

4/7×3

4×1/7×3

4/21

4/7 × 1/3

4/21

Resposta

4/21