qqp question1: Mathematical Puzzles: What is () + () + () = 30 using 1,3,5,7,9,11,13,15? question2: Is it possible to make 10000 out of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 using only the sum operator and using all the digits exactly once?