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2014-05-17T17:42:15+03:00
A+a+1+a+2+a+3+a+4=120
5a+10 =120 l -10
5a=110
a=110:5
a=22
a+1=23
a+2=24
a+3=25
a+4=26

3 5 3
2014-05-17T17:44:15+03:00
A  primul nr : a+1 al doilea nr a+2     a+3,a+4,
a+a+1+a+2+a+3+a+4=120
5a+10=120 
5a=120-10
5a=110 
a=110/5 a=22
a=22 primul nr
22+23+24+25+26=120

1 5 1