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Heeeeeeeeeeelllllllppppppppppp, reepedeeee, dau coroana

Heeeeeeeeeeelllllllppppppppppp Reepedeeee Dau Coroana class=

Răspuns :

a)12×(25+7×9-38)-500=
=12×(25+62-38)-500=
=12×49-500=
=588-500=
88
b)2015÷[225+36×(25-17)-110]=
=2015÷(225+36×8-110)=
=2015÷(225+288-110)
=2015÷403=
5