Question

Efetue as operações indicadas. De a resposta na fração irredutível
a)3/4+1/4=
b)2/9+5/9-4/9=
c)3/4+6/4=
d)3/4-2/4=

Answer 1

//a)1

b 1/3

c 9/4

d 1/4, 1 dica, baixa PhotoMath, só tira ft da pergunta e ganha a resposta

Answer 2

a)3/4+1/4=

3 + 1/4

4/4

1

b)2/9+5/9-4/9=

2 + 5 - 4/9

3/9

1/3

c)3/4+6/4=

3/4+ 6 : 2/4 : 2

3/4 + 3/2

3/4 + 3 × 2/2 × 2

3/4 + 6/4

9/4

d)3/4-2/4=

3/4 - 2 : 2/4 : 2

3/4 - 1/2

3/4 - 1 × 2/2 × 2

3/4 - 2/4

1/4