1 9x 0 3 7 x )= 2 1 0 2x July 8, 2019 16 32 64 128 1 9x + 0 3(7 – x) = 2 1 – 0 2х 1) 0 9x – 0 6 (x – 3) = 2 (0 2x – 1 3) 1-9 математика
