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1. N*n(-5;7)=?
2.(-7;10)n(-4;15)=?
3.(-2;8]U[0;21]=?


Răspuns :

1) 0,1,2,3,4,5,6 2) -4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10 3)(-2,21]