NA TERAZ PROSZE... wpisz odpowiednie wyrażenia algebraiczne. 2xy+ ..................=3xy+x 3mn+.......................=3 2xkwadrat-2x +..................= 2x a kwadrat-b kwadrat+........................=b kwadrat-a kwadrat -pq-q+.................= -2pq x kwadrat- 2y kwadrat+................................=2xy
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2xy+xy+x=3xy+x
3mn+ (-3mn) +3=3
2xkwadrat-2x + (-2xkwadrat) + 4x= 2x
a kwadrat-b kwadrat+(-2a kwadrat) + 2b kwadrat.=b kwadrat-a kwadrat
-pq-q+(-pq)+q= -2pq
x kwadrat- 2y kwadrat+ (-x kwadrat) + 2y kwadrat + 2xy=2xy