Răspunsuri

2014-06-17T13:21:14+03:00
1-2x{-20x[15x(-7)-24x(-4)]}+2x{-8x[-30-2x(-5)]}=
1-2x{-20X[-105+96]}+2x{-8x[-30+10]}=
1-2x[-20x(-9)]+2x[-8x(-20)]=
1-2x180+2x160=1-360+320=-39
1-2x{-20x[15x(-7)-24x(-4)]}+2x{-8x[-30-2x(-5)]}=
1-2x{-20X[-105+96]}+2x{-8x[-30+10]}=
1-2x[-20x(-9)]+2x[-8x(-20)]= 1-2x180+2x160=1-360+320= -39
multumesc multttt!!!!