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Georgexd72
a fost răspuns

1. (3n+2)|(9n+17) n€N
n=?​
2. (2n+1)|(3n+5) n€N
n=?
3. (2n+3)|(3n+7) n€N
n=?

Răspuns :

Marcy31

a.d | 3n+2 | 9 => d | 2\7n+2

=>17-2=15 n€N

d | 9n+17 | 3 => d | 2\7n+17

b.d | 2n+1 | 3 => d | 6/n+1

=>5-1=4 n€N

d | 3n+5 | 2 => d | 6/n+5

c.d | 2n+3 | 3 => d | 6/n+3

=>7-3=4 n€N

d | 3n+7 | 3 => d | 6/n+7

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