Question

Por favor es urgente resolverlo paso a paso ;(

Answer 1

[(3/6+4/6)-²×49/9-1/4]-(15/9-11/9)×5/4

[(6/7)²×49/9-1/4]-4/9×5/4

[36/49×49/9-1/4]-9/5

[4-1/4]-9/5

[16/4-1/4]-9/5

15/4-9/5

75/20-36/20

45/20

9/4