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Ldt043128
a fost răspuns

aflati toate numerele naturale x astfel incat (x+1)|6

Răspuns :

Abcdef231
(x+1)|6 <=> x+1∈{1,2,3,6}
Daca:
x+1=1=>x=0
x+1=2=>x=1
x+1=3=>x=2
x+1=6=>x=5
S:{0,1,2,5}∈N
(x+1)|6
x€N
D6 naturali {1,2,3,6}
x+1=1
x=0
x+1=2
x=1
x+1=3
x=2
x+1=6
x=5
x€{0,1,2,5} pt că 1|2;2|6;3|6;6|6

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