1.6 (y-x)+2(x-y)=
2.7(x/7-y/7-6)(x/6+y/6) =
To są wyrażenia algebraiczne . prosze to dla mnie ważne moge dać ci za to najka
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1. 6(y-x)+2(x-y)
6y-6x+2x-2y
4y-8x
2. 7(x/7-y/7-6)(x/6+y/6)
x-y-x+y
0
bo to jest x-x = o
i -y+y = to tez chyba 0