Предмет: Математика, автор: Аноним

Реши уравнения: 1) 12,7 × у = 139,7 2) у ÷ 5,6 = 13,4 3) у + 27 у = 0,952

Ответы

Автор ответа: geirf999

Ответ:

1)12,7y∶12,7=139,7∶12,7; y=11 2) y∶28/5=13,4; y*5/28=13,4; 5/28y=13,4; y=28/5*13,4; y=28/5-67/5; y=1876/25; y=75 1/25. 3)28y=0,952; y=0,034

Пошаговое объяснение:

Удачі:)

Автор ответа: shapuvalov69

Ответ:12.7хY=139.7

Y=139.7:12.7

Y=11

Y:5.6=13.4

Y=5.6x13..4

Y=75.04

Y+27Y=0.952

28Y=0.952

Y=0.034

Пошаговое объяснение:

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