5 x 4 2 30 July 8, 2019 16 32 64 128 5 left x 4 right 2 = 30 30 5 4 x 2 14 4 x 2 )+ 5 x 1 )=- 30 2 3 x 4 5 x 300 1 4 x 3 )/ 2 5 =- 30 30 x 5 5 x 5 x 5 5 x 42 5 4×2 3×30
