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