Các câu hỏi tương tự
viet lien tiep cac so 12345678910111213141516171819....
chu so thu 2016 la
khi viet lien nhau cac so tu nhien tu 1 den 99 thi chu so 9 xuat hien so lan la
nếu viết số 200^200 trong hệ thap phan thi
a) so chu so 0 tan cung la?
b)chu so khac 0 lien truoc cac so 0/
c)tong so chu so la?
cho tam giac ABC can tai A duong trung tuyen AM;I la trung diem AC goi K doi xuong M qua I
a)chung minh AMCK la hinh chu nhat
b)ABMK la hinh gi vi sao
c)tim dieu kien tam giac ABC de AMCK la hinh vuong
cac ban giup minh nhanh nhe no ca 3 cau luon khong can ve hinh ban he
x2-(m+1)x+4 nhan x-1 la 1 nhan tu thi m =...............? nho cac ban ho cai
Cho tam giac ABC. Tu diem O nam ngoai tam giac do , M, N,P thu tu la trung diem cac canh BC, CA ,AB. Goi A',B',C' thu tu la cac diem doi xung cua O qua M,N,P. C/m: tu giac AB'A'B la hinh binh hanh
mot so tu nhien co 2 chu so voi tong cac chu so bang 14. neu viet nguoc lai thi duoc 1 so tu nhien co 2 chu so ,lon hon so ban dau 18 don vi . tim so tu nhien ban dau
mot so tu nhien co 2 chu so voi tong cac chu so bang 14. neu viet nguoc lai thi duoc 1 so tu nhien co 2 chu so ,lon hon so ban dau 18 don vi . tim so tu nhien ban dau
giai cu the
giai giup mk vs cac bn . aj giaj dc mk cam on rat nhiu.
tim so tu nhien co 2 chu so biet rang chu so hang chuc lon hon chu so hang don vi la 5 va khi dao nguoc thu tu 2 so do ta duoc so moi =3/8 so ban dau