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a)
12dam2 30m2 = 12,30dam2
5km2 155dam2 = 5,0155km2
8m2 7dm2 = 8,7m2
b)
78dm2 5cm2 = 78,5dm2
6m2 5cm2 = 6,0005m2
~HT~
9 dam2 = 900m2
18m2= 1800dm2
17km2 = 170000 dam2
5m2 7dm2= 50700cm2
4km2 107dam2= 40107dam2
2/5km2= 400000 m2
480000cm2= 48m2
1800000mm2= 180 dm2
9000000m2= 9 km2
46000cm2= 4 m2 60 dm2
907000dam2= 90 km2 7000 dam2
3 4/5km2= 3 km2 8 hm2
9 dam2 = 900m2
18m2= 1800dm2
17km2 = 170000 dam2
5m2 7dm2= 50700cm2
4km2 107dam2= 40107dam2
2/5km2= 400000 m2
480000cm2= 48m2
1800000mm2= 180 dm2
9000000m2= 9 km2
46000cm2= 4 m2 60 dm2
907000dam2= 90 km2 7000 dam2
3 4/5km2= 3 km2 8 hm2
Cho hỏi là 236901=.................m2.................dm2 vậy ạ
a) 6km2 23456m2 = 6km2 23hm2 45dam2 6m2 = 6,23456km2
b) 5km2 246dam2 = 5km2 24hm2 6dam2 = 5,246km2
c) 57932cm2 = 5m2 79dm2 32cm2 = 5,7932m2
d) 5,405m2 = 5m2 40dm2 5 cm2 = 54050cm2 = 540,5dm2
1km2 = 1000000m2
1m2 = 100dm2
32m2 49dm2 = 3249dm2
1000000 m2 = 1km2;
5km2 = 5000000m2
2000000m2 = 2km2.
5km2 400m2 = 5400m2
18000000m2 = 18km2
\(\dfrac{5}{4}< \dfrac{3}{4}\)
\(\dfrac{5}{6}< \dfrac{6}{5}\)
\(\dfrac{6}{8}=\dfrac{3}{4}\)
\(\dfrac{7}{3}>\dfrac{7}{5}\)
\(\dfrac{4}{6}=\dfrac{2}{3}\)
\(\dfrac{5}{15}=\dfrac{1}{3}\)
\(\dfrac{7}{14}=\dfrac{1}{2}\)
\(\dfrac{6}{24}=\dfrac{1}{4}\)