vlastnosti plynů
0:31
Added: 2 years ago
From: schoolaction
Views: 1,850
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  • To je jasný jako facka,že některé plyny jsou těší než vzduch,tak proto se drží se při zemi.

    490180359 9 months ago

  • humus

    

    DejvMeister83 1 year ago

  • to som robil este ked som mal 8 rokov

    kalinkovcan 1 year ago

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