X 3 5 x 4 15 July 8, 2019 16 32 64 128 3 x 7 )+ 5 x 4 )= 15 Х * 3 5 4 15 5 3 x )= 2 x 4 )+ 15 4 3 x 5 2 x 7 15 3 5 x 4 15 x 25 24 15 x 3 5 x 4 27 9 3 5 x 4 15 10 1 2 x 5 3 4 x 15 X 3 5 2x 4 15 x 5 30 1 X 4 10 3 5 x 5 15 12 3 x 4 5 x 15 2 x 5 )- 3 x 4 )=- 6 15 (- 3 5 16 x 4 15 x 3 14 4 x 3 )+ 12 15 5 x 6 2x 3 x x 15 4 5
