5 3 4 x 20 July 8, 2019 16 32 64 128 3 5 3 4 х * 20 42 5 x 2 )+ 4 3 x )= 20 3 5 3 4 x ∙ 20 42 3 4 x 2 5 )=- 9 20 5 2 x )- 3 4 2x )= 20 5 x 1 )- 4 x 3 )=- 20 3 x 5 )= 3 4 4x 20 4 5 x 3 4 x 200 5 x 3 )= 4x 20 4 5 4 3 x 9 20 5 4 2 )/ 3 x 20 10 3 8 4 5 x 20 5 3 x − 4 5 )= 20 33 5 * 1 x * y * 3 4 20