Pomóżcie na Jutro o!! Daje naj 1zad 2 i 3

Zad.1 a) P= 13m x 7m= 91[latex] m^{2} [/latex] b) P= 8,5cm x 3cm= 25,5[latex] cm^{2} [/latex] c) P= 4,5dm x 6dm= 27[latex] dm^{2} [/latex] d) P= 5cm x 7,2cm= 36[latex] cm^{2} [/latex] e) P= 600cm x 25cm= 15000[latex] cm^{2} [/latex] f) P= 4,5km x 2km=9[latex] km^{2} [/latex] Zad.2 P= 20m x 2,5m=50[latex] m^{2} [/latex] Zad.3 a) 9cm b) 20cm x 20cm=400[latex] cm^{2} [/latex] c) 80 cm Liczę na naj :)