5 9-x=-4 1 July 8, 2019 16 32 64 128 5 9 x 4 10 5 9 x 4 1 2 5 9 x 4 1 5 9 x 4 15 5 9 x 4 11 5 9 х =- 4 1 5 9 x 4 x 18 9 5 x 12 4 5 x 4 )= 9x 12 9 4 x 17 5 9 4 x 16 5
