Question

Only legends can answer this ​

Answer 1

1+4=5 means 1+1×4=5

2+5=12 means 2+2×5=12

3+6= 21 means 3+3×6=21

and

5+8= 45 means 5+5×8=45

Answer 2

Answer:

1+4=5 (1+4)

2+5=12 (5+2+5)

3+6=21 (12+3+6)

5+8=34 (21+5+8)