Respuesta :

Answer:

1

Step-by-step explanation:

10 - 9 = 1

25santamariam

Answer:

1

Step-by-step explanation:

10+54/-6

10 turns into 10/1

so now you have 10/1+54/-6

now you cross. you do 10 x -6, and 54 x 1

ou end up with -60+54/-6

54-(-60) you get -6

-6/-6 =1