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b. 40 sek
c.0,4
d.2m
e.1,25
f.2250
4/10 h=2/5h
60min./5=12min
12min*2=24min
0,4h=24min
b]
60s/3=20s
2*20s=40s
2/3min=40 s
c]
1cm=10mm
0,04cm=0,4mm
d]
1km=1000m
0,002km=2m
e]
1dag=10g
0,125dag=1,25g
f]
1t=1000kg
2.25 t=2250 kg
Myślę,że pomogłam i liczę na naj
Pozdrawiam :)