Question

Rezolvati-mi si mie asta=1+2+3+....+50

Please!

Answer 1

1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50=1275 daca la asta te-ai referit
Cu plăcere!

Answer 2

$\boxed{1+2+3+...+n= \dfrac{n\times(n+1)}{2} }\rightarrow Suma~lui~Gauss. \ \\ \\1+2+3+...+50 =\\ \\= \dfrac{50\times(50+1)}{2} = \\ \\ = \dfrac{50\cdot 51}{2} = \\ \\ = 25\cdot 51 = \\ \\ = 1275$