400g= kg 32dm2= m2 0.5t= kg
4550m= km 2m57cm= m 4.34+5.56=
5.73+5.27= 8-1.3= 7.51-6.5= 6.9+2.32=
7.28+2.2=
8.85-6.15=
10-7.6=
0.85+0.2=
0.54-0.4=
100×0.75=
3.6÷10=
125×8-125×8=