December 2018 1 22 Report
POTRZEBNY MI EKSPERT OD MATMY!
Jakimi jednomianami należy zastąpić gwiazdkę?
a) ★*(x+4)=3x+12
b) ★*(a-5)=a do potegi drugiej -5a
c) ★*(x+y)=4x do potegi drugiej +4xy
d) ★*(a do potegi drugiej +2ab)=a do potegi trzeciej +2a do potegi drugiej b


prosze o pomoc!
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