jakie jest pole prostokata o bokach 12cm i 2dm
2 dm to 20 cm
12*20=240cm2
a=12cm
b=2dm=20cm
P=a*b=12cm*20cm=240
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2 dm to 20 cm
12*20=240cm2
a=12cm
b=2dm=20cm
P=a*b=12cm*20cm=240