5 3 x 15 4 July 8, 2019 16 32 64 128 5 3 x )= 2 x 4 )+ 15 4x 3 x 5 )- 15 3 x 7 )+ 5 x 4 )= 15 3 x 15 4 x 5 1 3 5 x 4 25 15 3 5 3x )/- 4 =- 15 9 3 5 x 4 15 3 5 x 4 15 x 25 24 3 5 3 10 x 4 15 6 5 x 8 3 x 15 4 3 x 5 )= 7x 15 4x 4 2x 5 )= 3 x 15 5 3 2 − x )= 15 − 4x 45 5 x 3 )= 15 21 15 3 5 x 4 32
