Question

2) Qual a soma dos 30 primeiros números naturais impares?

Answer 1

Resposta:

(1+3+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)=

(4+12+20+28+36+44+52+60+68+76+84+92+100+108+116)=

(16+48+80+112+144+176+208+116)=

(64+192+220+324)=

(256+544)=

(800)

Espero ter ajudado ^^