1 2 3 4 5 to 10000 July 8, 2019 16 32 64 128 1 2 3 4 5 to 10000 formula 1 2 3 4 5 6 to 10000 answer 1 2 3 4 5 6 до 10000 1 + 2 + 3 + 4 = 10 1 2 + 3 4 4 1/2 + 1 1/3 1 2 3 4 5 jump