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Ответ

Ответ дан
anyalisenok5710

Ответ:

4

Объяснение:

у +0,5= 9:2

у +0,5=4,5

у=4,5-0,5=4

Ответ

Ответ дан
hinariyandere

Ответ:

(y+0,5)*2=9

2y+1=9

2y=9-1

2y=8

y=4

Объяснение:

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