2 x 3 5 7 July 8, 2019 16 32 64 128 2 3 х 5 7 2 x 3 )- 3x 5 7x 2 x 3 5 4 7 2 x 3 )+ 5 3x 7 2 x 3 )+ 5 4x 7 1 2 x 3 5 7 1 2 x 5 3 =- 7 4 2 5 8 x 3 5 7 2 x 5 )= 3 2x 7 2 3 x 5 7 x 1 6 2 x 3 )= 5 6 x )+ 7 2 3 5 7 x 13 2 5 x 3 75 1 2 x 3 5 x 7 8 2 4 x 3 5 8 7