3 9 х )- 2 5 5 7 July 8, 2019 16 32 64 128 1 7 9 х 2 2 5 1 3 5 3 9 x )- 2 5 5 7 3 5/х = 9/2 (2 9+х)-3 5=4 7 (3 9+х)-2 5=5 7 3 x-5=x+3
