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a) 1 1/5= 1,2
1,2 : 4=0,3
b) 2 1/2=2,5
2,5: 4= 0,625
stefan 5/15:5 *2=1/15*2=2/15
Odp. działka stanowiła 2/15 działki dziadka
Zad.2
obw
a)1 1/5m=6/5
bok 6/5:4=6/5*1/4=3/10=0,3m
obw
b)2 1/2m=5/2
bok
5/2:4=5/2*1/4=5/8=0.625m