wrzucono kostke lodu o temp -10C do 2 kg wody o temp 40C i koncowa temp. To 10C ile wazyla kostka lodu?
wrzucono kostke lodu o temp -10C do 2 kg wody o temp 40C i koncowa temp. To 10C ile wazyla kostka lodu?
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JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJWaży 20 kg
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