X 7 x 2 5 4 July 8, 2019 16 32 64 128 X 7 )( x 5 )= 2 4x 21 X 7 )( x 2 4x 5 7 x 3 2 x 5 4 7 х 2 5 х 4 7 x 5 )+ 2 4x 3 7 x 2 )- 4 5 x )= 1 X 7 x 2 5 4 36 x 2 4 7 x 10 )- 2 x 5 )= 4x 7 6x 3 2 x 7 x 5 x 4 1250 8 7 x 1 )= 2 x 5 )- 4 3 4 x 1 7 x 2 5 7 2 x 5 4 x 0 46 1 9 2 5 4 x 7 2 x 5 8 5 4 x )- 7 (- x 2 )= 4 9 3 7 5 x 2 5 x 0 4