Задача 56365 12 9/13 у = 3 7/26 уравнение ...

5fe1b63b1c6d1142ab515ab9

22.12.2020 12:04:01

12 9/13 у = 3 7/26 уравнение

5f3ea7e3faf909182968ddd9

22.12.2020 12:24:25

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[m]y=3\frac{7}{26}:12\frac{9}{13}[/m]

[m]y=\frac{26\cdot 3+7}{26}:\frac{13\cdot 12+9}{13}[/m]

[m]y=\frac{85}{26}:\frac{165}{13}[/m]


[m]y=\frac{85}{26}\cdot \frac{13}{165}[/m]

[m]y=\frac{17}{2}\cdot \frac{1}{33}[/m]


[m]y=\frac{17}{66}[/m]