2-4+3

The expression \( 2 - 4 + 3 \) can be calculated as follows:

First, perform the subtraction: \( 2 - 4 = -2 \)

Next, add 3 to the result: \( -2 + 3 = 1 \)

So, \( 2 - 4 + 3 = 1 \).