(2) l)x 2–(2) 2x+4y =640...dx2 ) (?,*) =520-2 y = 120 × ho(Dsts". ... X [] S//VS/ 1 T) 12O FH To: CDs;|UA sco × C. K. fšā UYe #7)\ B #Rä: G if 42km (47.3 h.
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