. 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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a.3
b.64
c.3