12 x 12 1 2 July 8, 2019 16 32 64 128 12 x 12 x 5 1 2 12 x 1 25 12 x 1 2 3 12 x 3 найти 12 2x 1 12 x 1 20 12 x 1 )/ 2x 12 x 1 27 12 x 1 2 4 12 x 1 2 6 12 x 1 21 12 x 1 )+ 2x =- 5 12 x 1 29 12 x 12 x 1 2 steel plate