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Prosím o pomoc s príkladom: Vlak ide po priamej trati rýchlosťou u. Automobil ide po ceste rovnobežnej s traťou rýchlosťou v a predbehne vlak za čas t2. Ak ide automobil smerom proti vlaku, minie…
Na stole lezalo osem karticiek s cislami 2,3,5,7,11,13,17,19 .Fero si zobral 3 karticky.Scital na nich napisane cisla a zistil,ze ich sucet je o 1 vacsi ako sucet sucet cisel na zvysnych kartickach …
Na ciselnej osi su vyznacene cisla 56 a 170. Najdi na tejto ciselnej osi take cislo ,ktore je o 24 blizsie k cislu 170.
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