9 3 5 х 7 July 8, 2019 16 32 64 128 9 5 3 x 7 9 3 5 7 9 3 5 7 1 9 3 5 7 1 2 9 7 х 3 )= 5 6х 9 7 х 3 )= 5 4х 3 5 9 х 4 7 8
