Mathematics, 13.01.2021 14:00 natalie2sheffield

В състезание по математика могат да участват отбори, състоящи се от двама, трима или четирима ученика, Намерете колко различни отбора мо гат да се сформират от 6 равностойни ученици.

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В състезание по математика могат да участват отбори, състоящи се от двама, трима или четирима ученик...