Предмет: Математика, автор: Аноним

Лёгкой атлетикой занимаются
$\frac{1}{3}$
учеников класса, вольной борьбой
$\frac{3}{5}$
остальных учеников.
• Какая часть учеников занимается вольной борьбой?
•Какая часть учеников класса заниматься и лёгкой атлетикой, и вольной борьбой?
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Ответы

Автор ответа: YoshiMira

1) 1 - 1/3 = 2/3 - часть учеников класса не занимаются легкой атлетикой; 2) 2/3 * 3/5 = 2/5 - часть учеников класса занимается вольной борьбой; 3) 1/3 + 2/5 = 5/15 + 6/15 = 11/15 - часть учеников класса занимается легкой атлетикой и вольной борьбой

(n/n -дробь)

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