Răspuns :

Dianageorgiana794id

Răspuns:

1,25x= -0,2(7)

0,2(7)=(27-2)/90=25/90=5/18

1,25=125/100=5/4

5x/4=-5/18

5x·18=-4·5

90x=-20

x=-20/90=-2/9=>x=-0,(2)

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