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x minus 1 supra 2 plus 3x minus 1 supra 4 minus 5x minus 1 supra 6​

Răspuns :

[tex] \frac{x - 1}{2} + \frac{3x - 1}{4 } - \frac{5x - 1}{6} = \frac{6(x - 1) + 3(3x - 1) - 2(5x - 1)}{12} = \frac{6x - 6 + 9x - 3 - 10x + 2}{12} = \frac{5x - 7}{12} [/tex]