1) 6/0.4 = 6/(4/10) = 6*10/4 = 6*5/2 = 3*5 = 1 = 15 (кг)
2) 3/0.5 = 3/(5/10) = 3*10/5 = 3*2 = 6 (м)
3) 7/1.4 = 7/(14/10) = 7*10/14 = 10/2 = 5 (л)
4) 8/0.8 = 8/(8/10) = 8*10/8 = 10 (км)
5) 72/0.2 = 72/(2/10) = 72*10/2 = 36*10 = 360 (кг)
6) 24/0.3 = 24/(3/10) = 24*10/3 = 8*10 = 80 (км)