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1.Calculati
a) [-25-(-20+(-10:[18-(+19-4)]
b) (-27+30)x[(-28+17+11)x(-995+2011)-(-90+64-10):-25+21)]
DAU COROANA


Răspuns :

a)[-25-(-20+(-10:3))]=-5,(3)
b)3•0•1016-(-36):(-4)=0-9=-9