Respuesta :

TSO
1,000 - 900 + 50 

First, lets do 1,000 - 900

1,000 - 900 = 100

1,000 - 900 + 50 = 100 + 50

100 + 50 = 150

So, 1,000 - 900 + 50 = 150

Answer:

1,000 - 900 + 50

First, lets do 1,000 - 900

1,000 - 900 = 100

1,000 - 900 + 50 = 100 + 50

100 + 50 = 150

So, 1,000 - 900 + 50 = 150