Question

find this question. I need to solve this but I can't

Answer 1

so in the both upper problem the sum is added by 13
but in the third one it is by one so my answer would be

$(3×8)+1=25$

Answer 2

the answer is multiple first number on same number after that add to the second number

answer is (5*5)+3=28
(7*7) +6=55
(4*4)+5=21
(3*3) +8=17