Odpowiedzi

2009-10-19T13:29:10+02:00
[(-7)-(-4)*(-8)+(-21)/(-3)=
=(-3)*(-8)+(-21)/(-3)=
=24+(-21) +7=
=24+7=31
19 3 19
2009-10-19T15:17:42+02:00
[(-7)-(-4)]*(-8)+(-21)/(-3)=(-3)*(-8)+7=24+7=31
14 4 14