Oblicz objetosc prostopadloscianu o wymiarach 20 cm , 4 dm i 200 mm .
Odp. A - 16dm3
Odp. B - 1600 cm3
Odp. C - 0,016 cm3
Odp. D - 16 * 10 do potegi 10 mm3
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4 dm = 40 cm
200 mm = 20 cm
20 cm = 20 cm
V = 40*20*20
V = 16000 cm szesciennych
odp. B
a=20 cm
b=4 dm=40 cm
c=200 mm =20 cm
V=abc=20*40*20=16000 cm3= 16dm3 (odp. A)