September 2018 1 39 Report

. Uzupełnij:

(2x-5)(y+6) -...................=12x-5y

(7-x)(3-y) -.....................= - 3x-7y

(6x-1)(4-y)= y - 4+.................

Pomóżcie, proszę ! ;)

DAJĘ NAJ!!!


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