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Szerokość 6cm 7cm 9cm 12cm 5dm 80 cm
Pole prostokąta:
P = a*b
1.
P = 9cm x 6cm
P = 54cm^2
2.
P = 8cm x 7cm
P = 56cm^2
3.
P = 11cm x 9cm
P = 99cm^2
4.
P = 15cm x 12cm
P = 180cm^2
5.
P = 7dm x 5dm
P = 35dm^2
6.
P = 12dm x 80cm
P = 12dm x 8dm
P = 96dm^2