Răspunsuri

2014-11-07T11:25:16+02:00
S+c=3340lei
s+  t=1350lei
3340-1350=1990 costa calculatorul
s+1990=3340lei
s=3340-1990
s=1359 costa schiurile

1359+t=1350lei
t=1359-1350
t=9 costa telefonul