4x 5 7 10 2 July 8, 2019 16 32 64 128 4x 5 6x 7 9x 10 23 3 4x 2 5 x 7 10 10 2x 7 )- 5 4x 2 )=- 60 10 2x 7 4x 5 4x 7 x 2 10 2 3x 5 5 4x 1 2 7 10 5 6x 10 )= 7 4x 7 )+ 2x
