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![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{1}{4}km^2=25000m^2\)
\(\frac{1}{4}km^2450m^2=25450m^2\)
HT NHE
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
15 dm 10 mm = 15,01 dm
5 dm 9 mm = 5,09 dm
9 km 60 m = 9,060 km
7 m = 0,007 km
340 m = 0,034 km
704 mm = 0,704 m
1534 mm = 1,534 m
900 m = 0,9 km
![](https://rs.olm.vn/images/avt/0.png?1311)
200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000+200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000=4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
k mình nha làm ơn đó
=4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
![](https://rs.olm.vn/images/avt/0.png?1311)
7216 m= 7 km 216 m.
312 cm= 3 m 12 cm.
1289 g= 1 kg 289 g.
6245 kg= 6 tấn 245 kg.
1827 m =...............km ..................m = ....................km
1827 m = 1 km 827 m = 1,827 km
1827 m = 1 km 827 m = 1,827 km
Hok tốt~