Question

12*31=8 42*72=9 34*53=13 22*16=?

Answer 1

Ello user

12*31= 8

42*72= 9

34*53= 13

22*16= 17

Hope this helps

Answer 2

Step-by-step explanation:

THESE TYPE OF QUESTION SEEMS TO BE TOO MUCH TRICKY BUT THE REALLITY IS THAT THEY ARE JUST ASKING THE TRUE ANSWER LIKE THIS.....

$12 \times 31 = 8 \\ 42 \times 72 = 9 \\ 34 \times 53 = 13 \\ then \\ 22 \times 16 = 352.$

HOPE IT HELPED ✌️❤️❤️

GM

:)