Решите уравнение!!!!

Question

Решите уравнение!!!!

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Answer 1

2,4x : 4 2/3 = 1/21 : 12
2,4x = 4 2/3 • 1/252
2,4p = 1/54
x = 2,4: 1/54
x = 2/90
x = 1/45