123.9 ha= ................ km2
a 1000 ha = ....km2
b 125 ha =.......km2
c57,4 ha =........km2
d 3,2 ha =........km2
a, 1000 ha = 10 km2
b, 125 ha = 1,25 km2
c, 57,4 ha = 0,574 km2
d, 3,2 ha = 0,032 km2
~HT~ ^^
a 1000 ha = 100km2
b 125 ha =.1,25.km2
c57,4 ha =0,574km2
d 3,2 ha =......0,032..km2
hok tốt
1000 ha = 0,1 km2
125 ha = 1,25 km2
57,4 ha = 0,574 km2
3,2 ha = 0.032 km2
16dam 9m=………dam2 12000 hm2=………km2 12m 9dm2=……….dm2 1/10 km2=………….ha 3/4 km2=………..ha 1800 ha=………..km2 1/2 ha=……….m2
\(12000hm^2=120km^2\)
\(12m^29dm^2=1209dm^2\)
\(\dfrac{1}{10}km^2=10ha\)
\(\dfrac{3}{4}km^2=75ha\)
\(1800ha=18km^2\)
\(\dfrac{1}{2}ha=5000m^2\)
100ha =....km2 1250 ha=......km2 18,9 ha=.....km2 1453 ha=.......km2 4,6 ha=......km2
13009 m2=.....km2 980 dam2=......km2 9084 dam2=.....km2 34dam2=......km2 7658321 m2=.....km2
1km2
12,5km2
0,189km2
14,63km2
0,046km2
0,013009km2
0,0098km2
0,9084km2
0,0034km2
7,658321km2
0,024 km2 = ...... ha 0,005 km2 = ..... ha 0,02km2 =.......... ha
0,001 km2 = ...... ha 0,235km2=..........ha 0,058km2 =..........ha
0,024 km2 = 2,4 ha; 0,005 km2 = 0,5 ha; 0,02 km2 = 2 ha
0,001 km2 = 0,1 ha; 0,235 km2 = 23,5 ha; 0,058 km2 = 5,8 ha
120 ha =......km2 .....ha
204 ha =......km2.......ha
1200 ha = ... km2 ; 215 ha = ... km2 ; 16,7 ha = km2
1200 ha = 12 km2 : 215 ha = 2,15 km2 ; 16,7 ha = 0,167 km2
12
2,15
0,167
lại bye tiếp
k m 2h m 2
d a m 2m 2d m 2c m 2m m 21 k m 2 =100 h m 21 h m 2 = 100 d a m 2 = 0,01 k m 21 d a m 2 = 100 m 2 = 0,01 h m 21 m 2 =100 m 2 =0,01 d a m 21 d m 2 = 100 c m 2 = 0,01 m 2
1 c m 2 = 1000 m m 2 = 0,01 d m 21 m m 2 = 0,01 c m 2
1200 ha = ... km2 215 ha = .... km2 16,7 ha = ..... km2
\(1200ha=\frac{1200}{100}km^2=12km^2\)
\(215ha=\frac{215}{100}km^2=2,15km^2\)
\(16,7ha=\frac{167}{1000}km^2=0,167km^2\)
1200 ha = 12 km2
215 ha = 2,15 km2
16,7 ha = 0,167 km2
học tốt
1200 ha = 12 km2
215 ha = 2,15 km2
16,7 ha = 0,167 km2
3 phần 10 ha=....m2
1 phần 5 ha=.....m2
60000m2=........ha
67000ha=.......km2
3 phần 10 km2=......ha
2 phần 5 km2=.......ha
\(\frac{3}{10}\)ha=..3000..m2
\(\frac{1}{5}\)ha=...2000..m2
60000m2=.....6...ha
67000ha =..670.....km2
\(\frac{3}{10}\) km2 =...30...ha
\(\frac{2}{5}\) km2=....40...ha
3000 m2
2000 m2
6 ha
670 km2
30 ha
40 ha
\(\frac{3}{10}\)ha = 3000m2
\(\frac{1}{5}\)ha = 2000m2
60 000m2 = 6 ha
67 000m2 = 670km2
\(\frac{3}{10}\)km2 = 30ha
\(\frac{2}{5}\)km2 = 40ha