Xkm2 + 42dam2 3m2= 7004203m2. Answer :X=
98km2 35ha=..... ha 3098cm2=.....dm2.....cm2
25km2 8ha=....ha 23650dm2=....m2....dm2
20m2 6dm2=....dm2 5307m2=....dam2....m2
7hm250m2=....m2 62008m2=....hm2....dam2....m2
100ha =....km2 1250 ha=......km2 18,9 ha=.....km2 1453 ha=.......km2 4,6 ha=......km2
13009 m2=.....km2 980 dam2=......km2 9084 dam2=.....km2 34dam2=......km2 7658321 m2=.....km2
1000ha=.......km2
125ha=......km2
57,4ha=..........km2
3,2ha=.........km2
3000ha=.........km2
24,3ha=.............km2
243ha=.............km2
7,2 ha=.............km2
Viết số đo sau dưới dạng có đơn vị đo là km2
1200ha=......km2; 215ha=....km2; 16,7ha=...km2
6km2 17ha=.......km2
1km2 40ha=.......km2
7,35km2=......km2.......ha
9,2lm2=.......km2.......ha
a 1000 ha = ....km2
b 125 ha =.......km2
c57,4 ha =........km2
d 3,2 ha =........km2
16dam 9m=………dam2 12000 hm2=………km2 12m 9dm2=……….dm2 1/10 km2=………….ha 3/4 km2=………..ha 1800 ha=………..km2 1/2 ha=……….m2