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Dobrý večer, prosím o pomoc s jednou úlohou, týka sa priamej/nepriamej úmernosti. Ďakujem veľmi pekne. Sekretárka píše na stroji 180 úderov za minútu a napíše text za 4 hodiny a 30 minút. Za aký čas…
Veľkosť rýchlosti pri rovnomernom pohybe určíme....ľubovoľného úseku..... a ....., za ktorý tento.....prejde.
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