2 4 7 x 1 10 July 8, 2019 16 32 64 128 4 x 1 )= 2 2x 7 )+ 10 4 x 3 )= 7 2 1 10 10x 4 2 7 5 x 1 24 1 2 x 8 4 7 x 4 1 10 7 1 4 x 10 1 2 paper size 7 1 4 x 10 1 2 paper 7 3 4 x 10 1 2 frame (- 1 5 2 ) ( x 7 10 )=- 1 4 7 x 2 1/4