Question

as letras x e y representam números racionais na forma de fração: sabendo que X=4/7 e y= 6/3:

a) X+y

b) X-y

C)X.y

d)X:y


me ajudem pfv?​

Answer 1

Resposta:

a) 4/7 +6/3=

12/21+42/21=

54/21=

18/7

b)12/21-42/21=

-30/21

-10/7

c) 4/7× 6/3=

24/21=

8/7

d)4/7÷6/3=

4/7× 3/6=

12/42=

6/21

2/7

Answer 2

Resposta:

a) 4/7 +6/3=

12/21+42/21=

54/21=

18/7

b)12/21-42/21=

-30/21

-10/7

c) 4/7× 6/3=

24/21=

8/7

d)4/7÷6/3=

4/7× 3/6=

12/42=

6/21

2/7

Explicação passo-a-passo: