Răspuns :

Dianageorgiana794id

Răspuns:

(³⁾x-2/3):1 intreg  2/5=5/42

1 intreg  2/5=(1·5+2)/5=7/5

(3x/3-2/3):7/5=5/42

(3x-2)/3=5/42·7/5

(3x-2)/3=1/6

6(3x-2)=3

18x-12=3

18x=3+12

x=15/18=5/6

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