Вправи 901 - 1000 » 975
Виконайте віднімання: 1) 5/9 – (–1/6) = 5/9 + 1/6 = 13/18; 2) 13/16 – 11/24 = 3/16 + (–11/24) = – 13/48; 3) –7/9 – 2/15 = –7/9 + (–2/15) = –41/45; 4) –14/25 – (–7/10) = – 14/25 + 7/10 = 7/50; 5) 23/7 – (–12/5) = 23/7 + 12/5 = 329/35; 6) 512/35 – 10 = 512/35 + (–935/35) = –423/35; 7) 29/20 – 417/30 = 29/20 + (–417/30) = 227/60 + (–434/60) = –27/60; 8) –38/9 – 41/12 = –38/9 + (–41/12) = –332/36 + (–43/36) = –735/36; 9) –43/16 – (–55/8) = –43/16 + 510/16 = 17/16.