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3x-2/5-x-7/2=2x+3/5+3 intregi 1/5 =
dau coroana .


Răspuns :


3x/1 - 2/5-x/1-7/2=2x/1+3/5+16/5 , factor comun 10

30x-4-10x-35=20x+6+32

30x-10x-20x=32+6+35+4

 = 45+32

= 77