October 2018 2 20 Report

1. Wpisz odpowiednie wyrażnie algebraiczne.

a) 2xy+ .....=3xy+x
b) 3mn+.....=3

*- do drugiej potęgi
c) 2x*-2x+.......=2x

d) a*-b*+.........=b*-a*
e) -pq-q+.........=2pq
f)x*-2y*+.........=2xy


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