Предмет: Математика, автор: tenelgen2010

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Автор ответа: izhukov30

Відповідь: 126 студентов учится в первом курсе

Покрокове пояснення: 420 = 100% 1) 420 : 100 = 4,2 (1%) 2) 4,2 • 30 = 42 • 3 = 126 (30%)

Автор ответа: gavrilenkoirina64

Ответ:

126 студентов учится на 1 курсе

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