Question

me ajudem e pra amanhã ​

Answer 1

Resposta:

a) 2/9+5/9=7/9

b) 5/6-3/2= 10/12-18/12= 8/12 simplificando por 2= 2/3

c) 2/5+4/7= 14/35+20/35= 34/35

d) 3/8-2/3= 9/24-16-24= 7/24