2/8+4/8-5/8=1/8
7/10-3/10-4/10=0
1-1/9=9/9-1/9=8/9
1-1/5-3/5=5/5-1/5-3/5=1/5
7/9-2/9+1/9=6/9=2/3
2/7+1/7+4/7=7/7=1
1-3/8=8/8-3/8=5/8
1-4/9-2/9=9/9-4/9-2/9=3/9=1/3
400km=400 x 1000m=400000m
5000mm=5000:1000=5m
60dm=60 x 10 = 600cm
30kg= 30 x 1000= 30000g
70000kg = 70000:1000=70t
480000g=480kg
200lei = 200 x 100 = 20000 bani
800000 bani = 800000 : 100= 8000 lei
4325 bani = 43 lei si 25 bani
5870 lei - 746 lei 74 bani = 5123 lei 26 bani
5123 lei 26 bani - 58 lei 70 bani = 5064 lei 44 bani
5064 lei 44 bani - 352 lei 20 bani = 4712 lei 24 bani
4712 lei 24 bani - 205 lei 45 bani = 4506 lei 79 bani
