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b. 30000
c. 50000
d. 52000
zad. 2
a. 7
b. 1,5
c. 500
d. 12
W pierwszym a i drugim c nie jestem w 100% pewna! :P
Pozdrawiam! :** <3
3ha=30000^
500a=5000^
5ha20a=52000^
b)
70000m^=7ha
150a=1,5 ha
0,5km=500m=0,05ha
1200a=12ha