5 9x 7 18 July 8, 2019 16 32 64 128 7 9x 5 18x 1 4x 1 6 7 9x 5 18x =- 3 7x 5 9x 7 180 5 9x 18 2x 8x 7 5 x 7 )+ 15 9x 18 5 x 7 = 35 5 + 9 = 14 5 x - 9 7= -12 8
