1st set: a*c + a+b+c = 5*4+5+7+4 = 36
2nd set: a*b + a+b = 35+12 = 47
3rd set: a*a+a = 9*9+9 = 90
1. 5 + 7 + 4 = 364730.
30 = (5*5)+5
47 = (7*5) + 5+7
36 = (4*5) + 5 + 7 + 4
so 7 + 3 + 5 = 503156
2nd set: a*b + a+b = 35+12 = 47
3rd set: a*a+a = 9*9+9 = 90
1. 5 + 7 + 4 = 364730.
30 = (5*5)+5
47 = (7*5) + 5+7
36 = (4*5) + 5 + 7 + 4
so 7 + 3 + 5 = 503156