5 3 4x 7 4 x July 8, 2019 16 32 64 128 3 4x 1 x 1 5 7 4 5 x 1 )- 3 2x 4 )= 4x 7 7 3x 2 )- 5 4x 3 4 x 2 )+ 1 5 x 7 = 35 5 x 7 x4 4 3 - ( х + 5 7) 5 3/7-4x=3/7-1/4x
