5 1 3 x 2 7 July 8, 2019 16 32 64 128 4 1 5 x 3 2 7 5 2x 1 )- 3 3x 2 )= 7 x 4 1 3 x 2 5 =- 7 15 5 3 2 x )= 7x 1 3 1 5 x 2 7 8 6 1 3 x 2 5 7 5 3x 1 )+ 2 3x 7 2x 1 3 x 7 2 5 1 2 x 1 3 5 x 2 7 9 Multiply 1 2 x 1 3 5 x 2 7 9 1 2 3 x 4 5 6 7 8 3 * 5 x 3 2 * 5 x 1 77 5 3 x 7 )= 2 5x 1 2x 1 5 x 2 3 x 7 15 5 1 2 x 7 3 4 envelopes
