Odpowiedzi

2009-12-19T15:03:51+01:00
-(-(-4)) * [8 - (-5) * (-2)+ (-4) * 7] : [-( 4) + 11] =
= -(4) * [ 8 - (10) - 28] : [-4 + 11] =
= (-4) * [ 8 - 10 - 28] : [7] =
= (-4) * (-30) : 7 = 120 / 7 = 14 i 1/7
2009-12-19T15:05:46+01:00
-(-(-4))*[8-(-5)*(-2)+(-4)*7]:[-(-4)+11]= -4*(-30):15=8