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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
5,04dam=....5........m......40....cm
8,25dm2=.......0,0825.......m2
75kg=....0,075........tấn
12mvuông5cm2=..12,05..........m2
\(5,04\left(dam\right)=50,4\left(m\right)=5040\left(cm\right)\)
\(8,25\left(dm^2\right)=0,0825\left(m^2\right)\)
\(75\left(kg\right)=0,075\left(tan\right)\)
\(12\left(m^2\right)5\left(cm^2\right)=12,0005\left(m^2\right)\)
![](https://rs.olm.vn/images/avt/0.png?1311)
8 m 91 cm = 8.91m
6 m 3 cm = 6,03m
5 m 3 mm = 5,003 m
8 m 3 dm = 8.3m
1750 mm = 1.75m
234,5 cm = 2,345 m
12 cm = 0.12 m
5,5 m = 550 cm
5,32 m = 532cm
9,375 m = 937.5 cm
9 m 81 cm = .981cm
6 mm = 0.6cm
3,7 dm =37 cm
0,05 m =5 cm
8,91m
6,03m
5,003m
8,3m
1,75m
2,345m
0,12m
550cm
532cm
937,5cm
981cm
0,6cm
37cm
5cm
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 3 dm = 30 cm 6 dm = 60 cm 3 m = 30 dm
6 m = 60 dm 3 m = 300 cm 6 m = 600 cm
b) 100 cm = 1 m 200 cm = 2 m 500 cm = 5 m
10 dm = 1 m 20 dm = 2 m 50 dm = 5 m
![](https://rs.olm.vn/images/avt/0.png?1311)
901m=0km 901m=0,901 km
345cm=3m 45 cm =3,45 m
409cm= 4m 9cm =4,09 m
![](https://rs.olm.vn/images/avt/0.png?1311)
a) Mẫu: 2 dm = 20 cm; 3 m = 30 dm; 2 m = 200 cm
1 dm = 10 cm; 1 m = 10 dm; 1 m = 100 cm
4dm = 40 cm 5 m = 50 dm; 3 m = 300 cm
b) Mẫu: 20 cm = 2 dm; 30 dm = 3 m
30 cm = 3 dm 50 cm = 5 dm
40 dm = 4 m 20 dm = 2 m
![](https://rs.olm.vn/images/avt/0.png?1311)
6m 3 cm < 7m
6m 3 cm > 6m
6m 3 cm < 630cm
6m 3 cm = 603cm
5 m 6 cm > 5m
5 m 6 cm < 6m
5 m 6 cm = 506cm
5 m 6 cm < 560cm.
![](https://rs.olm.vn/images/avt/0.png?1311)
Đổi: 4,29m = 429 cm ; 1,84m = 184 cm. Thế thì 4,29 (m) - 1,84 (m) = 429 (cm) - 184 (cm) = 245 (cm)
5m 400cm