Các câu hỏi tương tự
viet mot doan van bang tieng anh noi ve truong trinh tivi ma em yeu thich
viet bai van neu cam nghi cua em ve luong y ho Pham
The people 8 couples.Each man shakes hands with everyone else except his own wife.No two women shake hands with each other .What is the total number of handshakes among these 8 people ?
giai loi bai toan bang tieng viet gium minh minh tang ban 1 like
anh hai di ve que voi van toc la 30 km/gio thi ve som hon du dinh la 1 gio con neu di voi van toc la 20km/gio thi ve muon hon du dinh la 1gio hoi
a,quang duong dai bao nhieu
b,tinh van toc de ve dung thoi gian
Bai 1 : Viet tap hop A cac so tu nhien lon hon 4 va ko vuot qua 7 bang hai cach .a ) Viet tap hop cac so tu nhien khac 0 va ko vuot qua 12 bang hai cach .b ) Viet tap hop M cac so tu nhien lon hon hoac bang 11 va ko vuot qua 20 bang hai cach .c ) Viet tap hop M cac so tu nhien lon hon 9 ,nho hon hoac bang 15 bang 2 cach .d ) Viet tap hop A cac so tu nhien ko vuot qua 30 bang 2 cach .e ) Viet tap hop B cac so tu nhien lon hon 5 bang 2 cach .f ) Viet tap hop C cac so tu nhien lon hon hoac bang 18...
Đọc tiếp
Bai 1 : Viet tap hop A cac so tu nhien lon hon 4 va ko vuot qua 7 bang hai cach .
a ) Viet tap hop cac so tu nhien khac 0 va ko vuot qua 12 bang hai cach .
b ) Viet tap hop M cac so tu nhien lon hon hoac bang 11 va ko vuot qua 20 bang hai cach .
c ) Viet tap hop M cac so tu nhien lon hon 9 ,nho hon hoac bang 15 bang 2 cach .
d ) Viet tap hop A cac so tu nhien ko vuot qua 30 bang 2 cach .
e ) Viet tap hop B cac so tu nhien lon hon 5 bang 2 cach .
f ) Viet tap hop C cac so tu nhien lon hon hoac bang 18 va ko vuot qua 100 bang 2 cach .
Ai lam nhanh minh se tick cho nha ,minh can gap .
bac hanh di xe dap tu nha len thanh pho nam dinh voi van toc 15km/h bac nghi o thanh pho nam dinh nưa gio roi lai tu thanh pho ve nha voi van toc 18km/h tinh xem bac hanh ve nha luc may gio biet quang duong tu nha len thanh pho la 22,5 km va bac xuat phat luc 7 gio
Ai nhanh mk tik nhe.Nhanh len nha mk dang gap
Chung minh :
\(A=3+3^2+3^3+3^4+...+3^{25}\)Khong chia het cho 39
1) Cac ban oi , may mk ko viet dc tieng Viet , cac ban thong cam !!
2) Mk thay bai nay sao sao ay , khi nhom 3 chu so dau tien thi van chia het cho 39 ma ! Ai co cach giai naof hay ko ?? Giup mk voi ak !!
HELP ME , PLEASE !!!!! ^^
cạch giai bai toan :luc 8 gio 30 phut , mot cano khoi hanh tu ben a den ben b . den ben b ca no nghi 2 gio 15 phut roi tu ben b tro ve ben a ve den ben a luc 16 gio 45 phut . tinh khoang cach tu a den ben b , biet rang van toc rieng cua ca no la 24,3km/gio va van toc cua cua dong nuoc la 2,7km/gio
GIUP MINH NHA ! AI GIUP MINH MINH LIKE CHO . HUA DAY
hoi nay minh mooi thi violympic toan bang toan tieng anh ne!
Minh rat vui vi duoc 290 diem