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Punctul d va rog frumos !! Urgent!!!


Punctul D Va Rog Frumos Urgent class=

Răspuns :

2 1/2 +2 1/3(2 1/3 + 2 2/3 x) =3,(3)
5/2 +7/3(7/3 + 8x/3) =(33-3)/9
5/2 +7/3(7/3 + 8x/3 )=30/9
7/3(7/3 + 8x/3 )=10/3-5/2
49/9 + 56x/9 =(20-15)/6
 56x/9 =5/6-49/9
112x=15-98
x=-83/112