Question

Hey guys this is a trick question and I don't know the answer if any of you know this answer quickly.
1+2=3
1+2=4
1+2=5
All of these are correct without combining them together or adding anything how is it true

Answer 1

1+2=3
1+2(as in the first answer)=4
1+2(as in the second answer)=5?

Answer 2

Yes because all the numbers are vertically proportional and some are congruent.