Автор - egorklimov35335

решите уравнение x:5 2/3=1 7/9 :1 7/27

Ответ

Автор - ivan848
x/5*2/3=2x/15
17/9:17/27=17/9*27/17=27/9=3
2x:15=3
2x=15*3
2x=45
x=22.5

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