X 3 8 7 2 5 July 8, 2019 16 32 64 128 X 3 5 4 7 2 8 1 7 8 x 3 2 5 12 3 8 x 2 5 7 Х 3 8 3х =( 4х 7 2 )+ 5х 3 x 2 )-( 5x 7 )= 8 2 7 x 3 )- 8 = 54 3 7 8 x 6 2 5 3 x 7 2 5 2x 2 8 3 8 x 2 5 7 20 4 x 8 7 94 2 x 3 5 X 7 8 x 3 17 6 5x 2
