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2014-02-24T23:26:20+02:00
2014-02-24T23:27:57+02:00
5*1/4*1/2x=6/8 5/8x=3/4 8x=5*4 supra 3 8x=20/3 X=20/3 supra 8 X=20/3*1/8 X=5/6