Question

21,5=13
7,9=8
36,2=19
1,7=?
find the value of ?​

Answer 1

Answer:

4

Step-by-step explanation:

(21 + 5) : 2 = 13

(7 + 9) : 2 = 8

(36 + 2) : 2 = 19

(1 + 7) : 2 = 4

Answer 2

She/he is right tha answer is 4