cho mk gui loi chuc den tatca thanh vien trong olm.vn mot ngay vui ve ben nguoi than va gia dinh nh

chuc cac bn hoc tot de olm.vn cang ngay cang phat trien lon manh tren toan nuoc vn nha

thanks chao cac bn nha

goodbye >_<

hello cac bn chuc cac bn buoi sang tot lanh 

mik hoc lop 12 nhung vi ko co lop12 nen mik chon lop9

kb voi mik nhe

1+1=

3+5=

chieu nay thi roi cac ban chuc minh thi tot nha!!!!!!!!!!!!!!!!!!

co ai muon ket bn voi mk ko ?

mk dang olm ne den tan 11 gio lun

chuc cac bn hok tot

Cau hoi :Neu cac ban co 3 uoc mo thi cac ban se uoc gi ? Cac ban tra loi minh som nhat co the nhe .

Chuc cac ban uoc mot dieu tot lanh .

cac ban giup mh giai van de nay nhe 1  bn ten la thu choi rat than voi  chuc nhung tu khi chuc cat chuc thu len lam lop truong va ke tu do co bn nay toan dung ke de cuop lai chuc ma thu ko biet gi het nhung co 1 nay co chot phat hien ra co bn than yeu cua mh ham hai thu cac bn giup mh xem co bn nay nen lam gi ?

Ai la ARMY thi kb mk nha. Con ai ranh thi ib vs mk. Ai k co viec thi tang mk hinh idol hoac anh cac bn mk se nhan xet. Mk cuc ranh

cho tam giac ABC vuong can tai A . lay M la trung diem cua BC , E la diem nam giua M va C ( E ko trung M va C ) . Ve BH vuong goc voi AE tai H , CK vuong goc voi AE tai K .

a CM: BH = AK

b CM: tam giac MHK vuong can

c Goi I la trung diem cua AH . CM : IM vuong goc voi BK

Cau a.b mk lam dc roi cac bn giup mk cau c nhe ! Cam on cac bn rat nhieu!Chuc cac bn hoc tot!

cac bn muon hok tot TA thi vao LEARN ENGLISH TODAY de tro chuyen va dc hok TA cung nguoi ban ngu nhe !!!!!!!!!!!!!!!

chuc cac bn