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2014-05-19T20:54:43+03:00
52-x 24-x 113-x 240=52-x+24-x+113-x X+x+x=52+24+113-240 3x=189-240 3x=-51 X=17
1 5 1
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2014-05-19T20:56:26+03:00
240 - (52 + 24 + 113) = 240 - 189 = 51

51/3 = 17

52 + 17 = 69 primul numar
24 + 17 = 41 al 2lea numar
113 + 17 = 130 al 3lea numar
2 5 2