1 3 x 15 2 July 8, 2019 16 32 64 128 1 3 x 15 )+ 2x 16 3 1 5 х 15 24 3 1 2 x 15 16 label template 2x 1 )( x 3 )= 15 1 2 x 15 16 3 2 1 − 2 5 3 x 15 1 2 3 4 x 15 1 3 x 2 5 =- 7 15 3 * 25 1 3 x 152 * 15 3 1 15 x 2 4 5 15 x 1 3 28 51 2x 1 3 7x 5 15 x 2 5 1 3 x 15 x 20 1 3 x 15 )+ 2 3 x 9 X 1 x 3 15 21