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Автор - doneck81

Найдите значение выражения:
19,1y+121,4+0,9y при y = 48,5

Ответ

Автор - drmikky15
19,1*48,5+121,4+0,9*48,5=926,35+121,4+43,65=1091,4

Ответ

Автор - Teкilla
19,1y+121.4+0.9y=20y+121.4 .Если y =48.5 то 20*48.5+121.4=1091.4 :)

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