3 х 4=19 July 8, 2019 16 32 64 128 3 x 4 19 3 4 x 1920 3 x 4 1 19 3 x 2 )+ 4 19 X 3 2x 4 )=- 19 3 4 x 192 3 х +4=19 3 4х=19 38