S = 32 + 33 +34+......+32016
=>3S=33+34+35+...+32017
=>3S-S=(33+34+35+...+32017)-(32 + 33 +34+......+32016)
=>2S=32017-32
=>S=\(\frac{3^{2017}-3^2}{2}\)
S = 32 + 33 +34+......+32016
3S = 33+34+35+........+32017
S = 32+33+34+..........+32016
2S = 32017-32
=>S= (32017-32):2
Vaayyj S = (32017 - 32):2
S = 32 + 33 + 34 + ... + 32016
=>3S = 33 + 34 + 35 + ....+ 32017
=> 2S = 3S - S = 32017 - 32
=>S=\(\frac{3^{2017}-3^2}{2}\)
Vậy S= \(\frac{3^{2017}-3^2}{2}\)