Respuesta :

1000 is the answer. 1+1=2, 2-1=1.
starbits4life123

Answer:

1000+1000-1000= 1000

Step-by-step explanation:

First you start by adding 1000 with 1000

1000+1000= 2000

Then Subtract,

2000-1000= 1000

Hope This Helps !!