5 7 x 100 1 July 8, 2019 16 32 64 128 5 x 7 )- 10 =- 100 1 3 5 7 x 100 7 x 1 10 5 x 1 100 3 x 1000 5 x 10 7 x 1 100 5 x 100 7 x 10 8 5 x 7 = 35 5 ' 7 x7 ' 10 5 x 5 x 5
