Odp:
2 3/8 - 5,8 = 2 3/8 - 5 8/10 = 19/8 - 58/10 = 38/20 - 116/20 = -78/20 : 2 = 39/10 = 3 9/10
-5,2 + 3 4/5 = -5 2/10 + 3 4/5 = -52/10 + 19/10 = -104/10 + 19/10 = -85/10 = -17/5 = - 3 4/5
-9,4 - 5 13/20 = -9 4/10 - 5 13/20 = -94/10 - 113/20 = -940/20 - 113/20 = -827/20 = -41
Szczegółowe wyjaśnienie: