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a fost răspuns

va rog cat puteti de repede:
2+5+8+...+242
3+7+11+...+43
3+6+9+...+2013
5+10+15+...+2010
4+8+12+...+2012
7+14+21+...+2009

Răspuns :

Dariadeuta
241+240 480
42+41 83
2013+2012
2009+2008
2011+2010
2008+2007
Deadcat1501
a\)2+ 5...8.....11....14......17......din
     x+3
b) x +4
c) x +3
d)x+5
e)x+4
d)x+7

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