Respuesta :
Answer:
A) Add a positive unit tile to a negative unit tile.
Step-by-step explanation:
Add a positive unit tile to a negative unit tile.
1 + (-1)
1 - 1
0
Answer:
A) Add a positive unit tile to a negative unit tile.
Step-by-step explanation:
Add a positive unit tile to a negative unit tile.
1 + (-1)
1 - 1
0