Răspunsuri

2014-11-13T16:56:15+02:00
7+((-15)+(-19)+(+26))=7+(-15-19+26)=7-8=-1
14+((-19)+(-16)+(+29))=14+(-19-16+29)=14-6=5
-9+(45-(-11)+(+32))=-9+(45+11+32)=-9+88=79
7-((-15)-(-16)-(+29))=7-(-15+16-29)=7-(-28)=7+28=35
-13-((+31)-(-81)+(-21))=-13-(31+81-21)=-13-91=-104