–4,28 – 1,53 – (–7,85) + (–9,06) = –4,28 – 1,53 + 7,85 – 9,06 = –5,81 + 7,85 – 9,06 = 2,04 – 9,06 = –7,02
–4,28 – 1,53 – (–7,85) + (–9,06) = –4,28 – 1,53 + 7,85 – 9,06 = –5,81 + 7,85 – 9,06 = 2,04 – 9,06 = –7,02