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Ex.3 Va rog mult!!repede!!e urgent!!

Ex3 Va Rog Multrepedee Urgent class=

Răspuns :



[tex] \frac{1}{4} [/tex]
x/y = 1/3
4x-y/x+y =?

daca x/y = 1/3 => x=3 si y=1 (am inmultut in crucis)

4x-y = 4×3- 1 = 11
x+y = 4
11/4 = 2,75