minh dang can dich gap doan nay.Moi nguoi dich giup minh voi.Minh da dich mai ma nghia cua no cu lung cung the nao do..
some problems are too complex even for mainframe computes.Mapping the wind patterns in a storm or the water flow round one rock in a rushing stream would take scientists a long time on a mainframe
mong duoc moi nguoi giup do.Minh cam on truoc nhe!