Respuestas

  • yoy
  • Aspirante
2012-02-08T00:07:18+01:00

2/5+4/6-0'5=12+20-15/30=17/30                    -(17/+1-0´1)=-17+15+1,5/15=30,5/15=30,/15           -(-(-1+0,73)-1/4=-0,73-1/4=2,92-1/4=1,92/4                                       27/5+0,37=27+1,85/5=28,85/5