odpowiedzi A1-A-3.doc

odpowiedzi do zadań otwartych:

Arkusz I

Zad.26                           

Zad.27                           

Zad.28                            Obw= 90

Zad.29               -----

Zad.30                           

Zad.31                            x= 28, y=16

Zad.32                            C=(5,7)  lub C = (9,-1)

Zad.33                            Pb=60

Arkusz II

Zad.26                           

Zad.27                           

Zad.28                            -------

Zad.29                            x= -3

Zad.30                           

Zad.31                            8 godz z prędkością 15km/godz

Zad.32                           

Zad.33                           

Arkusz III

Zad.24                            -------

Zad.25                            600zł

Zad.26                            ------

Zad.27                           

Zad.28                           

Zad.29                           

Zad.30                            r = 2

Zad.31                           

Zad.32                            B=(6,1)