Seudónimo Seudónimo 16-12-2019 Mathematics contestada a) | 5 | = b) | -6 | = c) | -7 + 10 | = d) | -2 - 9 | = e) | 10 - 20 | - | -7 | = f) | π - 4 | - | 2 | = g) | -5/3 - 1/2 | - | 7/9 - 1 1/2 | = h) | -1.5 - 3.9 | - | -1.6 | = answer all of these and i will give brainliest