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Zdravíčko,
potrebovala by som pomôcť s experimentom na hodinu teórie pravdepodobnosti. (Obrázok je len vzor)
Dobrý deň, potrebovala by som vypracovať tieto úlohy k ukážkam (sú zakrúžkované). Viem, že je toho viac, tak čo sa týka peňazí, nebol by problém. Avšak potrebujem to ešte dnes.
Koľko percentný roztok dostaneme, ak 30 ml 25 %-ného roztoku kyseliny sírovej prilejeme do 30 ml vody? Výsledok zaokrúhli na dve desatinné miesta.
Dobrý deň, potrebujem vypracovať úlohu 27 a, b + e. Výsledky v zátvorke sú správne. Ak by to nevychádzalo skúsil by som počítať namiesto Jupitera s tou planétou lo (inak neviem prečo by v tej tabuľke…
doučma.sk
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