Предмет: Математика, автор: elenadm

Срочно! Пожалуйста, помогите решить!

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Автор ответа: manyny06
0
решение смотри на фотографии
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Автор ответа: elenadm
0
спасибо) а то никак не могла вспомнить способ решения)
Автор ответа: manyny06
0
не за что, УДАЧИ!!!!!!!!!!!!!!!!!!!
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