1 4 2 3 x 12 July 8, 2019 16 32 64 128 1 2 3 4 x 120 1 4 x 2 3 x 5 12 1 4 )( x 12 5 2 3 x 7 2 3 x 1 4 7 12 12 8 4 2 3 x 1 24 3x 2 3 x 1 4 5 12 1 2 3 4 5 x 120 4 1 2 3 )= 3x 12 x 1 2 3 4 x 1275 1 3x 4 =- 2 3x 12 2 3 x (- 12 4 1 8 1 3 x 3.14 x 4 2 x 12 1 3 x pi x 4 2 x 12 11 2 3 * x (- 12 4 1 8