2 4 x 3 16 x 8 1 x July 8, 2019 16 32 64 128 21 4 x 16 14 x 1 2 x 8 3 16 x 1 2 4 x 3 4 x 8 0 8รท2(2+2)=1 or 16 2 3/4 x 4 1/8
