\(3\dfrac{1}{2}km^2=\left(3+\dfrac{1}{2}\right)km^2=\dfrac{7}{2}km^2=350ha\)
\(3\dfrac{1}{2}km^2=350ha\)
_______
\(55000m^2=5,5ha\)
\(5\dfrac{1}{2}ha=\left(5+\dfrac{1}{2}\right)ha=5,5ha\)
\(55000m^2=5\dfrac{1}{2}ha\)
\(3\dfrac{1}{2}km^2=\left(3+\dfrac{1}{2}\right)km^2=\dfrac{7}{2}km^2=350ha\)
\(3\dfrac{1}{2}km^2=350ha\)
_______
\(55000m^2=5,5ha\)
\(5\dfrac{1}{2}ha=\left(5+\dfrac{1}{2}\right)ha=5,5ha\)
\(55000m^2=5\dfrac{1}{2}ha\)
8ha = .....m2 \(\dfrac{1}{2}\) ha = ........m2
15ha = .........m2 \(\dfrac{1}{100}\) ha = ...........m2
20ha = .........m2 800 000m2=..........ha
600 000m2 = ......ha
\(\dfrac{7}{10}\)ha = m2 \(\dfrac{5}{4}\)km2 = ha
\(\dfrac{3}{100}\)ha = m2 \(\dfrac{4}{5}\)km2 = m2
Điền dấu < ; > ; =
3\(\dfrac{1}{5}-\dfrac{8}{3}...........\dfrac{17}{5}-2\dfrac{12}{5}\)
\(\dfrac{1}{31}+\dfrac{1}{32}+\dfrac{1}{33}+....+\dfrac{1}{89}+\dfrac{1}{90}\) ..... \(\dfrac{5}{6}\)
\(\dfrac{1}{100}m^2=.....ha\)
\(\dfrac{80}{800}\)km2
Điền dấu >,<,=
2ha 8dm2 .......... 280dam2 8ha 15m2 .......... 80 150m2
\(7\dfrac{1}{2}\) ha ........... 7ha 12dam2 9km2 5ha ............ 905ha
\(7\dfrac{33}{100}\) ha ....... 6ha 3dam2 4km2 7ha ........... \(4\dfrac{7}{10}\) km2
\(\dfrac{7}{5}\) ha .......13.000\(m^2\) điền dấu > < =
Viết số thích hợp vào chỗ chấm:
60 000m2 = ... ha 1800ha = ... km2
800 000m2 = ... ha 27000 ha = ... km2
Viết số thích hợp vào chỗ chấm:
40 000 m 2 = … … … … h a 700 000 m 2 = … … … … h a 1 10 h a = … … … m 2 1 4 h a … … … m 2 1 100 k m 2 = … … … h a 2 5 k m 2 = … … … h a 2600 h a = … … … … k m 2 19 000 h a = … … … … k m 2