Uzupełnijmy zapisy na karteczkach.

Pierwsza karteczka

$1\text{dm}=10\text{cm}$ więc $1{\text{dm}}^3=1000{\text{cm}}^3$

Ponieważ:

$1{\text{dm}}^3=1\text{dm}\cdot 1\text{dm}\cdot 1\text{dm}=10\text{cm}\cdot 10\text{cm}\cdot 10\text{cm}=1000{\text{cm}}^3$

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Druga karteczka

$1\text{l}=\underline{1000}{\text{cm}}^3$ więc $1\text{ml}=1{\text{cm}}^3$

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Uzupełnijmy zapisy:

$4{\text{dm}}^3=\underline{4000}{\text{cm}}^3$

Ponieważ:

$4{\text{dm}}^3=4\cdot 1{\text{dm}}^3=4\cdot 1000{\text{cm}}^3=4000{\text{cm}}^3$

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 $8{\text{dm}}^3=\underline{8000}{\text{cm}}^3$

Ponieważ:

$8{\text{dm}}^3=8\cdot 1{\text{dm}}^3=8\cdot 1000{\text{cm}}^3=8000{\text{cm}}^3$

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$5\text{ml}=\underline{5}\text{ml}$

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$15\text{ml}=\underline{15}{\text{cm}}^3$

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$3000{\text{cm}}^3=3{\text{dm}}^3$

Ponieważ:

$3000{\text{cm}}^3=3\cdot 1000{\text{cm}}^3=3\cdot 1{\text{dm}}^3=3{\text{dm}}^3$

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$500{\text{cm}}^3=\underline{0,5}{\text{dm}}^3$

Ponieważ:

$500{\text{cm}}^3=0,5\cdot 1000{\text{cm}}^3=0,5\cdot 1{\text{dm}}^3=0,5{\text{dm}}^3$