54x 6 * y 2x 3 * y 4 July 8, 2019 16 32 64 128 54x 6y 2x 3 y 4 6xy - 4y + 6 - 9x 54 ÷ 6 + 2(8 – 3 x 4) 6 x 4 / 3 + 54 / 6 / 3 x 6 + 2 х 9
