Предмет: Математика, автор: samlen7

Найдите неизвестный член пропорции : y : 8,4 = 1 1/8 : 6 3/4

Ответы

Автор ответа: Андрей25

ответ
y : 8,4=1 1/8 : 6 3/4
у:8,4=9/8 : 27/4
у:8.4=9/8 * 4/27
у:8,4=16
у=1/6*8,4
у=1/6*84/10
у=84/60
у=7/5=1 2/5

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