20 1 4 * x 2 5 July 8, 2019 16 32 64 128 1 4 x 2 5 )=- 27 20 20 1 4x 2 5 J bolts 1 4 20 x 2 5 16 2x 1 3 x 4 2 5x 20 6 5 x 20 )= 1 2 4x 4 5 x 1 )+ 4 6 x 2 )- 20 20 8 x 2 4 15 5 1 2 x 2 5
