lam lai dj ku

dung chin so 1,2,3,4,5,6,7,8,9 hay thuc hien cac phep tinh sao cco co ket qua la 100
vi du
1+2+3-4+5+6+78+9=100
lam tren 5 cach la co kha nang hoc toan
tren 8 cach la thong minh
tren 10 cach la xuat chung

cac huynh oi de dung cua cau nay o mon toan kia .
cai thang thien than meo j do no co chep lai cho anh em ko cung chep nham nua
nhung cau nay thj de wa troi ruj may do ten angelcat thanh crazycat dc ruj do

tui thay' may ong di hoc them noi thang` angelcat viet bai` lung tung ma` tui chang thay' bai` viet cua no' dau ca
ai biet chi gium` cai' nha

bj sao hak no chj lam dc vai ngay thuj may hum nj that btinh jjj do khong post dc thong cam chac no cung gan wa dc ruj do . den bay jo da co aj bit no la aj chua ja

e may' nguoi` thay' admin cua chung' ta dau ko zay?
tui nho` giup cai' kia ma` ko tra loi` tui la` sao admin oi
thui ai biet admin o dau goi tra loi` gium` nha