0.5 3 12 July 8, 2019 16 32 64 128 0.5 12 3 x 0.5 x4 3 )+ 12 0.5 4x 3 )= 12x 16.5 3 0.5 x 12 )= 87 3 0.5 y 6 12 5 2t 3 0.5 12 t
