kolejnosc wykonywania działań:
-{5-2*(-3-4)-3*[4-(-2)]}=
4-6*(2-5)=
4-6·(2-5)=4-6·(-3)=4-(-18)=4+18=22
{5-2·(-3-4)-3·[4-(-2)]}=[5-2·(-7)-3·6]=5-(-14)-18=19-18=1
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-{5-2*(-7)-3*8