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