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30 cm= 0,3 m
20 min= 1200 s
0,55dm= 0,055 m
86 000g= 86 kg
Odpowiedź:
a) 30cm = 30 * 1/100 m = 30/100 m = 0,3 m
b) 20 min = 20*60s = 1200 s
c) 0,55 dm = 0,55 * 0,1m = 0,055 m
d) 86 000 g = 86* 1000g = 86*1kg = 86 kg