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{[(455:5)+9]:10+2000-143}+(9×2)

Răspuns :

{[91+9]:10+2000-143}+18=
{10:10+2000-143}+18=
{2001-143}+18=
2144+18=2162
{[(455:5)+9]:10+2000-143}+(9x3)
[(91+9):10+2000-143]+27
(100:10+2000-143)+27
(10+2000-143)+27
(2010-143)+27
1867+27
1894