Question

1+4= 5
2+5=12
3+6=21
5+8=?​

Answer 1

1+4= 5

2+5=12

3+6=21

5+8= 13

Answer 2

Answer:

Step-by-step explanation:

1 + 4 = 5 can be written as

The digit one is multiplied by the sum of one and four, the same for the other numbers been solved below

2 + 5 = 12 can be written as

3 + 6 = 21 can be written as

Using the same pattern we find the value of 5 + 8,

5 + 8 = 45 can be written as 5×(1+8)