(- 4 2 4 1 )(- 12 July 8, 2019 16 32 64 128 4 4 5 x 2 1 12 4 7у 2 5у 12 4 1 9 2 1 4 f 12 3 4 4 c 2 4 12c 1 2 4 1 12 as a fraction
