Question

which of this are true? 1+3=3+1 or 1+2=3+3 or 3+2=4+1

Answer 1

i st and third
bcz = 1+3 = 4 and 3+1 = 4
3+2= 5 and 4+1 = 5

Answer 2

the answer is 5

1+3=3+1 or 1+2=3+3 or 3+2=4+1 =5