Предмет: Математика, автор: Аноним

Математика допоможіть будь ласка на фото номер 284 пж бали неворовать даю 15 балів.​

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Автор ответа: qq0o
1
13/25+3/20=(перший дріб треба домножити на 4, а другий на 5, щоб вийшли однакові знаменники і їх можна було додати)=52/100+15/100=67/100
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