Odpowiedź:
zad. 1:
1 dm= 10 cm, więc 1 dm²= 100 cm²
zad. 2:
400
zad. 3:
1 cm= 10 mm, 1 cm²=100 mm², 1 m= 100 cm, 1 m²= 10 000 cm²
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Odpowiedź:
zad. 1:
1 dm= 10 cm, więc 1 dm²= 100 cm²
zad. 2:
400
zad. 3:
1 cm= 10 mm, 1 cm²=100 mm², 1 m= 100 cm, 1 m²= 10 000 cm²