Ile to? Działania:
5x-(x-5x)=A/B
5x(5-5x)-5(5x-5)=C/D
Odpowiedzi:
A.25x B.-5x
C.0 D.25-25x²
5x-(x-5x)=A/B
5x(5-5x)-5(5x-5)=C/D
Odpowiedzi:
A.25x B.-5x
C.0 D.25-25x²
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