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  • 30-09-2022
  • Mathematics
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9. Determinaţi mulţimile:
A = {x|x € N şi (2x - 1)| 121};
C= {x|x €N şi (x+1)| (x+50)};
B = {x|x€ N şi (3x + 1) | 125];
D={x|x €N, (2x + 1) | 65 şi 17 X (x+2)
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