January 2019 0 30 Report
Ułamki
z1
1/6x540=
1/6x300=
z2
Pod gora rysa budowany jest tunel kolejowy zgodnie z planem tunel bd mial 360m
z 1 strony gory wywiercono juz 1/4 gory a z drogiej 5/6 ile m jeszcze czeba tunelu wywiecic
odp
wynik
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