Предмет: Математика, автор: voytovich9675

Помогите решить 80+27-а=27

Ответы

Автор ответа: alinak3170

Ответ:

......

Можете мой ответ отметить как лучший, чтобы появилась жёлтая корона?

Пошаговое объяснение:

$80 + 27 - a = 27 \\ - a = 27 - 80 - 27 \\ - a = - 80 \\ a = 80$

Автор ответа: Ijent

Ответ:

80+27-а=27

107-а=27

а=107-27

а=80

---------------------

80+27-80=27

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