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3mm=0.3cm
2hm=0.2km
8dm=0.8m
5mm=0.005
5cm=0.5m
13m=0.13m
2731cm=27m31cm
4005mm=40dm5mm
3mm = 3/10cm = 0, 3cm
2hm = 2/10km = 0, 2km
8dm = 8/10m = 0, 8m
5mm = 5/1000m = 0, 005m
5cm = 5/100m = 0, 05m
13m = 13/100hm = 0, 13hm
3cm 1mm = 31/1000m = 0, 031m
13 013m = 13km 13m
2731cm = 27m 31cm
4005mm = 40dm 5mm
a) 125 cm = 1,25 m = 12,5 dm
b) 15 m 24 cm = 15,24 m = 152,4 dm
c) 7 km 15 m = 7,015 km = 70150 dm = 701,5 dam
d) 4 cm 8mm = 4,8 cm = 0,48 dm = 0,048 m
a ) 2,539m = 2m 5dm 3cm 9mm b ) 7,306m = 7m 3dm 6mm
= 2m 53cm 9mm = 7m 30cm 6mm
= 2m 539mm = 7m 306mm
= 2539mm = 7306mm
c ) 2,586km = 2km 586m d ) 8,2km = 8km 200m
= 2586m = 8200
280mm
3120dm
30m
0,75dam
1050cm
15000m
45hm
18km
725cm
1m65dm
5058m
2km80m
6017 dm=.......601,7.......m=...60,17..........dam.
0,45 dam=.....0,045........km=......45.......m.
62,64 m=......0,6264........hm=......0,06264........km.
79,734mm=.....0,79734.........m=.....0,00079734........km.
50000 km=.....5000000......dam=.......5000000000.......cm.
0,00008 m=......0,0000008.......hm=.....0,08........mm.
6017dm=601,7m=60,17dam
0,45dam=0,0045km=4,5m
62,64m=0,6264hm=0,06264km
79,734mm=0,079734m=0,000079734
50000km=5000000dam=50000000000cm
0,00008m=0,0000008hm=0,08mm
chuc bạn hoc tot!
a) 2,5km=2500m=250000cm
b) 1234mm=1,234m=0,01234hm=0,001234km
c) 250m=2500dm=250000mm
d) 2,05km=2050m=20500dm
e) 2,05km=205000cm=2050000mm
f) 1,2m=12dm
g) 1400m=1,4km
h) 80cm=0,8m
i) 0,5km=5000dm
k) 1,5m=1500mm
m) 0,2km=200m
em cảm ơn ạ