Răspunsuri

2014-09-09T13:24:59+03:00
2007+2008*2007-2009*2006=
2007+4030056-4030054=
4032063-4030054=2009
2014-09-09T13:41:57+03:00
2007+2008*2007-2009*2006=2007+4.030.056-4.030.054
=2007+2
=2009
= 2007(1+2008) - 2009x2006=2007x2009-2009x2006=2009x(2007-2006)=2009x1=2009