2 2 3 х 4 5 12 July 8, 2019 16 32 64 128 2 2 3 x 4 5 12 1 2 x 3 4 )= 5 12 2 + 3 + 4 + 5 + 6 12 – (4 — х)2 = х(3 – х)
