Odpowiedzi

2010-01-18T20:17:35+01:00
-(-(-(4))*[8-(-5)*(-2)+(-4)*7]/[-(-4)+11]=
=-4*[8+5*(-2)+(-4)*7]/[4+11]=
=-4[8+(-10)+(-28)]/15=
=-4[-2-28]/15=-4[-30]/15=
=120/15=8


2010-01-18T20:19:51+01:00
-(-(-(4))*[8-(-5)*(-2)+(-4)*7]/[-(-4)+11]=
-4 *[8+5*(-2)-4*7]/4+11]
-4*(8-10-28)/15=
-4* (-30)/15= -4*(-2)= 8