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Mathematics, 23.04.2021 17:00 gooby1324

W szkolnych zawodach sportowych wzięło udział łącznie trzydziestu zawodników z trzech klas pierwszych. Reprezentacja klasy I a liczyła o 20% zawodników więcej niż reprezentacja klasy I b, a reprezentacja klasy I c o dwóch uczniów mniej niż reprezentacja I b. Jak liczne były reprezentacje poszczególnych klas?

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W szkolnych zawodach sportowych wzięło udział łącznie trzydziestu zawodników z trzech klas pierwszyc...
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