Respostas

2014-05-14T11:49:25-03:00
2,5+[-6,35-(-7,8)+11,36+(-0,25)]=
2,5+[-6,35+7,8+11,36-0,25]=
2,5+[1,45+11,36-0,25]=
2,5+[12,81-0,25]=
2,5+12,56= 15,06

Espero ter ajudado!
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