Question

3.
Se consideră mulțimea:
A = {4, 7, 10, 13, 16,...., 1993). Câte elemente are?
Calculați suma:
4+ 7 + 10 + ... + 1993 =​

Answer 1

Răspuns:

 

Explicație pas cu pas:

Answer 2

Răspuns:

A={4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,58,61,64,67,70,73,76,79,82,85,88,91,94,97,100,103,106,109,112,115,118,121,124,127,130,

133,136,139,142,145,148,151,154,

157,160,163,166,169,172,175,178,

181,184,187,190,193,196,199,202,

205,208,211,214,217,220,223,226,

229,232,235,238,241,244,247,250,

253,256,259,262,265,268,271,274,

277,280,283,286,289,292,295,298,

301,303,306,309,312,315,318,321,324,327,330,333,336,339,342,...sper ca ai inteles mai departe cum .Pa