Question

5,3=25
7,1=3
9,4=31
6,6=?

Answer 1

Answer:

44

Step-by-step explanation:

reverse digits and substraction

35-10 =25

17-14=3

49-18=31

66-22=44

Answer 2

Answer:

54

Step-by-step explanation:

5,3 =25

( 3×10-5 =25)

7,1 =3

( 1×10-7 =3)

9,4 =31

( 4×10-9 =31)

6,6 =?

( 6×10-6 =54)

Answer 54