7t= 7000 kg= 700 000dag; 1 kg = 100 dag.
5 hm=500m=500 000 cm
12 dal = 120l=120 000 ml
8000cg=80g
17000 dl= 1700l= 17 hl
800 000 dm= 80 000m= 800hm
6 hl 7 dl= 600l*1000+0,7*1000=600000+700=600700ml
12hm 8dam= 1200*1000+80*1000=1 280 000cm
3,1q 9 hg=3,1*100+ 0,9*100=3100+90= 4000dg
P=46m
Sârma= 46*4-4*1=184-4=180m