Question

A) 3\5 +3\4 + 3\10 =

B) 8\5 - 1\4 - 3\10=
  
      Presiso das continhas obg .

Answer 1

As respostas estão na imagem .

Espero ter ajudado !!!

Answer 2

A) 
3/5 + 3/4 + 3/10
20/5*3 + 20/4*3 /10 + 3/10
4*3 + 5*3 /10 + 3/10
12 + 15 /10 + 3/10
27/10 + 3/10
Resposta = 30/10

B)
8/5 -1/4 - 3/10
20/5*8 - 10/4*1 /10 - 3/10
4*8 - 2,5*1 /10 - 3/10
32 - 2,5 /10 - 3/10
39,5/10 - 3/10 
Resposta = 36,5/10