15 x 10 2 July 8, 2019 16 32 64 128 15 x 10 20 15 x 10 25 15 x 10 24 15 x 10 )= 255 15 х 10 255 2x + 10= x 15 X 15 2 10 0 7 15 x 10 21 15 x 10 1 2 14 15 x 10 21 15 х 10 30 20 6 15 10 x 20 50 Solve x 15 10 2 5 15 x 10 30 20 х 5 15 2 x 10 9
