5 2 x 180 July 8, 2019 16 32 64 128 2 5 x 1800 2 5 x 18000 X 5 2x 2 180 X 5 2x 2 90 180 5 x 1 2 180 4x 5 x 2 10 180 2x 30 )+ 2 x 5 )= 180 2 x 2 5
