Răspunsuri

2014-09-04T16:54:20+03:00
400+480:4-(680:2:10+4x20:8)=
=400+480:4-(340:10+4x20:8)
=400+480:4-(34+4x20:8)=
=400+480:4-(34+80:8)=
=400+480:4-(34+10)=
=400+480:4-44=
=400+120-44=
=520-44=
=476