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se dau multimile A={x∈N*/(2x+1)€ D35

Răspuns :

2x+1 € {1 ,5,7,35}
2x+1 =1 ; 2x=0 ; x=0
2x+1=5 ; 2x =4 ; x=2
2x+1=7 ; 2x=6 ; x=3
2x+1=35 ; 2x =34 ; x= 17