7 1 8 minus 2 3 4 July 8, 2019 16 32 64 128 3 8 plus 1 8 minus 2 7 plus 1 4 3 1 4 minus 2 7 8 as a fraction Минус 3 7 + - 1 4/15 Минус 7 4 - 2 9