5 km2 12 hm2 = km2
5 km2 12 hm2 = km2
3/4 hm=. dm
\(\dfrac{3}{4}hm=\dfrac{3}{4}.1000=750dm\)
5/4 hm =. dm
3/125 m=. dm
2/125m=. dm
\(\dfrac{2}{125}m=\dfrac{2}{125}.10=\dfrac{20}{125}=\dfrac{4}{25}dm\)
3và1/4 km=. m
\(\dfrac{13}{4}km=\dfrac{13}{4}.1000=3250m\)
5và2/4 m =. mm
0,38 dm2= cm2
17 m2=...ha
`17 m^2 = 0,0017 ha`
Biết `1 ha = 10000 m^2 ; 17 m^2 = 17 : 10000 = 0,17 ha`
A.35m 6cm=...m
B.465m=...km
C.6km2 5ha=...km2
`a) 35 m 6 cm = 35,06 m`
`b) 465 m = 0,465 km`
`c) 6 km^2 5 ha = 6,05 km^2`