Question

resposta do raciocinio logico 1+4=5, 2+5=12, 3+6=21

Answer 1

4+1=5 / 2+5=12 / 3+6=9 
Logo:
5+12+9=21

Answer 2

1+4= 5 , (1×4) + 1
2+5= 12, (2×5) + 2
3+6= 21, (3×6) + 3
4+7= 32 , (4×7) + 4
5+8= 45, (5×8) +5
 
Espero ter ajudado