KLASA 4:
Oblicz pole prostokąta o wymiarach:
8 cm i 17 cm
10 dm i 23 dm
6 m i 12 cm
24 mm i 3 mm
25 m i 25 m
17 cm i 81 mm
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P= 8x17= 136cm2
p=10x23=230dm2
p=6m x 12cm= 600cm x 12cm= 7200cm2=72m2
p=24mm x 3mm = 72mm2 = 7,2 cm2
p= 25m x 25m= 625m2
p=17cm x 81mm = 17cm x 8,1 cm = 137.1cm2
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