Question

1) 5+7+9+ ... +89
2) 1+5+9+ ... +65
3) 3+ 10+ 17 + ... + 115
4) 8+13+18+ ... +93
5) 1+ 7+13+...+109

va rog​

Answer 1

Răspuns:

1)5+7+9+11+13+15+17+19+21+23+25+27+29+31+33+35+37+39+41+43+45+47+49+51+53+55+57+59+61+63+65+67+69+71+73+75+77+79+81+83+85+87+

+89

2)1+5+9+13+17+21+25+29+33+37+41+45+49+53+57+61+65

3)3+10+17+24+31+38+45+52+59+66+73+80+87+

+94+101+108+115

4)8+13+18+23+28+33+38+43+48+53+58+63+68+

+73+78+83+88+93

5) 1+ 7+13+19+25+31+37+43+49+55+61+67+73+79+

+85+91+97+103+109