Question

Calcule as somas, simplificando o resultado sempre que possível, discordo com a imagem acima marque com X a resposta.

OBS: DENUNCIO QUEM ME ATRAPALHAR SEM DÓ. MAIS DESDE JÁ EU AGRADEÇO QUEM PUDER ME AJUDAR.

A) 5 7
--- + ---
3 3

R:





B) 2 4
--- + ---
7 7

R:





C) 2 5
--- + ---
3 3


R:




D) 1 2
--- + ---
5 5

R:





E) 4 1 2
--- + --- ---
5 5 5

R:






F) 3 1 7
--- + --- + ---
4 4 4


R:





G) 1 3 7
--- + --- + ---
6 6 6


R:​

Answer 1

Resposta:

Explicação passo-a-passo:

a)

5/3+7/3=(5+7)/3=12/3=4

b)

2/7+4/7=(2+4)/7=6/7

c)

2/5+5/3=(2+5)/3=7/3

d)

1/5+2/5=(1+2)/5=3/5

e)

4/5+1/5+2/5=(4+1+2)/5=7/5

f)

3/4+1/4+7/4=(3+1+7)/4=11/4

g)

1/6+3/6+7/6=(1+3+7)/6=11/6