Me .tu luk lap bang den h ton hon 1tr rui.
1:mua 2 bieu tg bang 500ruby,2 cai 1000ruby.
2: tong cac moc ncap bang = ruby :
5 ,10,15.=500ruby trung sinh nua =600
3

rung sinh song du that:
- cac moc ruby.:
-lv 5=75 ruby.lv 10:225.lv 15 =425 ruby.
Ec.tb ai xac dinh dua top it 5tr de ve sau nhe!!
Than bang: tinhae
Ad hut mau .