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[(X-832:8+224:112)×5+81:27]×2=25818:13


[(X-1):100+18×5]:(250-24×10)-750:75=0
ofer 25 de puncte


Răspuns :

[(x-832:8+224:112)x5+81:27]x2=25818:13
[(x-104+2)x5+3]x2=1986
5x-520+10+3=1986:2( am inmultit pe 5 cu ce era in paranteza)
5x-520-13=993
5x=993+520-13
5x=1500,x=1500:5,x=300
Rezolvarea la prima ecuatie .
Vezi imaginea EMILIA08