Izračunaj vrijednost brojevnog izraza:
2858−858⋅{4−[900−(81⋅8+8⋅19)−100]−2}+879.Rješenje
Prvi način:
2858−858⋅{4−[900−(81⋅8+8⋅19)−100]−2}+879==2858−858⋅{4−[900−8⋅(81+19)−100]−2}+879=2858−858⋅{4−[900−8⋅100−100]−2}+879=2858−858⋅{4−[900−800−100]−2}+879=2858−858⋅{4−0−2}+879=2858−858⋅2+879=2858−1716+879=1142+879=2021.
Drugi način:
2858−858⋅{4−[900−(81⋅8+8⋅19)−100]−2}+879==2858−858⋅{4−[900−(648+152)−100]−2}+879=2858−858⋅{4−[900−800−100]−2}+879=2858−858⋅{4−0−2}+879=2858−858⋅2+879=2858−1716+879=1142+879=2021.