Respuesta :

Answer:1

Step-by-step explanation:

Because an example is if you have two apples and eat one, then you only have one left and that goes the same for numbers!

Answer:

2-1=1

Step-by-step explanation:

hold up 2 fingers.

now put down one.

you can use this stratege for addition, too. like 2+1=3

hold up 2 fingers.

hold up one more.

count the total and there's your answer