Предмет: Математика, автор: 123456529

при каком значении a (a-8)больше, чем(39-a),на9?

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Автор ответа: TARTILLO

0

При каком значении a (a-8)больше, чем(39-a),на9?

(a-8)-(39-a)=9

2a-47=9

2a=56 a=28

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