Odpowiedź:
Szczegółowe wyjaśnienie:
a) na centymetry:
2 dm = 2· 10 cm = 20 cm
5 m = 5 · 100 cm = 500 cm
300 mm = 300 : 10 cm = 30 cm
1 m 4 dm = (100 + 40) cm = 140 cm
b) na metry:
60 dm = 60 : 10 m = 6 m
2000 mm = 2000 : 1000 m = 2 m
3 km = 3 · 1000 m = 3000 m
2 km 16 m = (2000 + 16) m = 2016 m
c) na milimetry:
1 cm = 10 mm
3 cm = 3 · 10 mm = 30 mm
4 dm = 4 · 100 mm = 400 mm
7 m = 7 · 1000 mm = 7000 mm
d) na kilometry:
1000 m = 1 km
7000 m = 7 km
10 000 dm = 1 km
3 000 000 cm = 30 km
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Odpowiedź:
Szczegółowe wyjaśnienie:
a) na centymetry:
2 dm = 2· 10 cm = 20 cm
5 m = 5 · 100 cm = 500 cm
300 mm = 300 : 10 cm = 30 cm
1 m 4 dm = (100 + 40) cm = 140 cm
b) na metry:
60 dm = 60 : 10 m = 6 m
2000 mm = 2000 : 1000 m = 2 m
3 km = 3 · 1000 m = 3000 m
2 km 16 m = (2000 + 16) m = 2016 m
c) na milimetry:
1 cm = 10 mm
3 cm = 3 · 10 mm = 30 mm
4 dm = 4 · 100 mm = 400 mm
7 m = 7 · 1000 mm = 7000 mm
d) na kilometry:
1000 m = 1 km
7000 m = 7 km
10 000 dm = 1 km
3 000 000 cm = 30 km