Предмет: Математика, автор: Zhili

7/26-1/39
Пожалуйста помогите!

Ответы

Автор ответа: iramazurk
1
7/26 - 1/39 = 21/78 - 2/78 = 19/78
Автор ответа: sebrithien
2

\displaystyle \tt \frac{7}{26}-\frac{1}{39}=\frac{21}{78}-\frac{2}{78}=\bold{\frac{19}{78}}

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