2 7 10 x 5 6 July 8, 2019 16 32 64 128 7 x 10 )- 2 x 5 )= 4x 7 6x 3 2 3 5 3 x 7 10 x 5 6 8 x 7 2 5 10 6 2 x 2 5 2 7×10
