Encontre a razão entre as grandezas:
a) 4kg
-----
900g
b) 2m
-----
30cm
c) 40dm
-------
1m
d) 25hm
------
15dam
a) 4kg
-----
900g
b) 2m
-----
30cm
c) 40dm
-------
1m
d) 25hm
------
15dam
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4000g/900g
40g/9g ≈ 4,4 g
b) 2m/30cm
200cm/30cm
20cm/3cm ≈ 6,67cm
c)40dm/1m
40dm/10 dm = 4dm