Răspuns :
a+900-550=2000
a=?
a=2000+550-900=1650
a=1650
Proba:1650+900=2550-550=200===>a=1650
sper cca te-am ajutat...
vr coroana plz
a=?
a=2000+550-900=1650
a=1650
Proba:1650+900=2550-550=200===>a=1650
sper cca te-am ajutat...
vr coroana plz