12hm² 5dam² = 1205dam²
3dam² 15m² = 13015m²
12hm2 5dam2= 1205 dam2
3dam2 15m2= 315m2
tk nhé
9km2 15m2 = …………m2 8540396 m2 = …km2…….m2 5m2 14cm2 = …………cm2 6km2 9m2 = …………m2 16079321m2 = …km2…….m2 5dm2 23cm2 = …………cm2 Nhanh nha
5 dam2 = .......m 2
50000 dam2=......km2
550000000m2=....km2
90000m2=......hm2
4m26dm2=.............m2
7m2=.............m2
2/5 phút=......giây
15m2 ........dm212m2 ......cm21m2 45dm2 ......dm22m2 3dm2 .........dm2300dm2 ............m2160000cm2 ........m2345dm2 ....m2........dm2608dm2 ....m2.....dm2
500 dm2 = ...........m2
60 000 cm2= ....................m2
60 000 cm2 = ..................dm2
15m2 = ..................cm2
7m2= .......................dm2
10dm2 2cm2= ...............cm2
Viết số thích hợp vào chỗ chấm :
a) 15m2 = ... cm2 
m2 = ... dm2
103m2 = ... dm2 
dm2 = ... cm2
2110dm2 = ... cm2 
m2 = ... cm2
5 m2 17 dm2 =............ m2 4,09ha =............ha......dam2
4 dam2 6m2=.............dam2 3,415ha=............ha.........m2
12 ha 8 dam2=..........ha 4,93m2=..............m2.........dm2
cung cấp thêm
Viết số thích hợp vào chỗ chấm:
1m2 = ….dm2
400 dm2 = ….m2
100dm2 = …m2
2110 m22= …dm2
1m2 = …cm2
15m2 = ….cm2
10 000 cm2 = …m2
1dm22cm2 = …cm2
15m2 =........dm2
12m2 =......cm2
1m2 45dm2 =......dm2
2m2 3dm2 = .........dm2
300dm2 =............m2
160000cm2 =........m2
345dm2 =....m2........dm2
608dm2 =....m2.....dm2
10 dam2 = ????m2