September 2018 2 18 Report

Czy punkty B,C,D leża na jednej prostej , jeżeli :

a) |BC| = 3,4 cm |CD|= 50 mm |BD| = 8,4 cm

b) |BC| = 4 dm |CD| = 40 cm |BD| = 44 dm

c) |BC| = 6,4 cm |CD| = 6,5 dm |BD| = 13 dm .


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