〖☬〗Metoda I - Ordinea operațiilor:
⠀⠀⠀⠀ 18 · 2 + 18 · 4 + 18 · 6 =
⠀⠀⠀⠀ = 36 + 18 · 4 + 18 · 6 =
⠀⠀⠀⠀ = 36 + 72 + 18 · 6 =
⠀⠀⠀⠀ = 36 + 72 + 108 =
⠀⠀⠀⠀ = 108 + 108 =
⠀⠀⠀⠀ = 216
〖☬〗Metoda II - Factor comun:
⠀⠀⠀⠀ 18 · 2 + 18 · 4 + 18 · 6 =
⠀⠀⠀⠀ = 18 · ( 2 + 4 + 6 ) =
⠀⠀⠀⠀ = 18 · 12 =
⠀⠀⠀⠀ = 216