5 7 3 9 2 July 8, 2019 16 32 64 128 5 7 9 3 2 5 3 7 2 9 4 5 3 7 9 1 2 7 5 6 3 2 9 1 3 5 7 9 2n 1 sum formula 1 3 5 7 9 2n 1 formula 9 5 3 7 22 7 5 8 9 2 3 8 2 3 5 7 9 решение 3 5 7 9 20 X 7 5 3 9 2 3 5 x 7 )+ 9 3 x 2 )+ 4 5 3 9 7 21 pattern 5 3 9 7 21
