M me_9x_1080 New member Xu 0 2/11/10 #1 Moi cac ban giai pt sau : 1080+1996=x-y=1996 co gang giai dung nhe!!!:byebye:
M me_9x_1080 New member Xu 0 3/11/10 #3 khong sai dau chi la no hoi van tat thoi chi can phat trien ra de giai pt 2 an
K khongsaodauemak New member Xu 0 13/3/11 #6 sai roi ban oi. khong dung x+y=1996 x+y=1080+1996 theo tc bac cau thi 1080+1996 lai bang 1996 ha