Đáp án:

Giải thích các bước giải:

Bài 1: Viết số thập phân thích hơn vào chỗ trống:

25m7dm = .............25,7..............m

4dm6cm = ......0,46........................m

15dm5mm= ........15,05.................. dm

18m2cm = ...............18,02...............m

2dam25m2= ..........2,25..........dam2

1km25dam2 = ......1,0025.............km2

6hm27dam2=........6,27............hm2

18hm217m2=.........18,0217............hm2

Bài 2: Làm theo mẫu:

Mẫu : 5,6m = 5 m= 5m6dm = 56dm

6,4m = ....6m40cm = ........................640.........................cm

7,6dm = ..............7dm6cm......=...............76.......................cm

52,5dm = ................52dm50mm................=............5250..............mm

1,005km = ....................1005....................................m

4,8dam2= .......................4dam80m2=................480.....................m2

9,05dam2= ....................9dam5m2............=.......905..................m2

5,1hm2= .......................5hm1000m2=..............51000.......................m2

3,4km2= ...........................3km40hm2.............=..........340..........hm2

3,3kg = .........................3kg300g =.................3300...................g

2,22kg= .......................2kg200g =..............2200......................g  

Xin ctlhn dành điểm về cho nhóm ạ!!!

Đáp án:

Giải thích các bước giải:

Bài 1: Viết số thập phân thích hơn vào chỗ trống:

25m7dm = .............25,7..............m

4dm6cm = ......0,46........................m

15dm5mm= ........15,05.................. dm

18m2cm = ...............18,02...............m

2dam25m2= ..........2,25..........dam2

1km25dam2 = ......1,0025.............km2

6hm27dam2=........6,27............hm2

18hm217m2=.........18,0217............hm2

Bài 2: Làm theo mẫu:

Mẫu : 5,6m = 5 m= 5m6dm = 56dm

6,4m = ....6m40cm = ........................640.........................cm

7,6dm = ..............7dm6cm......=...............76.......................cm

52,5dm = ................52dm50mm................=............5250..............mm

1,005km = ....................1005....................................m

4,8dam2= .......................4dam80m2=................480.....................m2

9,05dam2= ....................9dam5m2............=.......905..................m2

5,1hm2= .......................5hm1000m2=..............51000.......................m2

3,4km2= ...........................3km40hm2.............=..........340..........hm2

3,3kg = .........................3kg300g =.................3300...................g

2,22kg= .......................2kg200g =..............2200......................g