Am nevoie de ajutor!!!! Vă rog!!!!
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a) | x | < 4 => x = 0, 1, 2, 3, 4 => A={0,1,2,3,4}
b) | x-3 | < 7 => x= 3, 4, 5, 6, 7, 8, 9 => B= {3,4,5,6,7,8,9}