Respuesta :

reguser315
2+1=3 is not an identity property. The rest are because the value equals itself after dividing, subtracting, and multiplying.
CSMedrano

Answer:

2+1 = 3

Step-by-step explanation:

The first one

2+1 = 3

the identity properties are :

n+0=n

n-0=n

n/1=n

n*1=n

and the one that does NOT show an identity is 2+1=3