Odpowiedź:
1dm =10cm
Pierwszy bok: 10x
Drugi bok: 10x-30
P=10x(10x-30) = 100x²-300x
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Odpowiedź:
1dm =10cm
Pierwszy bok: 10x
Drugi bok: 10x-30
P=10x(10x-30) = 100x²-300x