Question

1+4=5 2+5=12 3+6=21 5+8=_

Answer 1

$\huge{\blue{\underline{\purple{\mathbb{AnSwER}}}}}$

1+4 = 5 [1×4+1]

2+5 = 12 [2×5+2]

3+6 = 21 [6×3+3]

5+8 = 45 [8×5+5]

✌✌