Các câu hỏi tương tự
bai 1 : tim cac so nguyen x va y biet: x . y = -15
bai 2 : tim cac so nguyen n sao cho n - 3 chia het cho n - 1
CAC BAN GIUP MK NHA .
AI LAM NHANH VA DUNG THI MK SE TICK CHO ^ _ ^
Tap hop cac so tu nhien x sao cho 6 chia het cho (x-1)
nhap cac phan tu theo thu tu tang dan
ai lm nhanh mk tick cho mk dg voi ko can cach giai mk dg thi violympic toan giup mk nha
tim x biet: 12.x-33=3 mũ 2 .3 mũ 3
tim chu so a de so 37a chia het cho 5
tim cac so tu nhien x sao cho x thuoc bội (14) va 28< hoac=x<80
giup mk nha ai giup mk kb
a/(2n+13)chia het cho 2n+5
b/7 chia het cho 11-2n
c/3n+7 chia het cho 4n+3
Cac ban giup mk voi,mk tik cho nha!!
Bai 8 : ****
Chung minh rang :neu 4 x abc + deg chia het cho 83 thi abc x deg chia het cho 83
Ai giai dc mk tang cho 2 like mk dang can rat gap mong cac bn giup do !
Chao cac ban ai biet danh co vua thi vao van nay danh voi mk nhe danh het van luon do mk tick cho ai danh thang mk 3 tk Ai thua mk mk tick 1 tick !! Thanks
https://lichess.org/8odBW3sz
1. Anh A di lan dau het 1/4 quang duong, lan thu hai di het 1/6 quang duong, lan thu ba di het 5/12 quangx duong. hoi sau ba lan thi anh A di duoc bao nhieu phan quang duong
2. Ban A di 4km trong 4/5 gio. hoi trong 1 gio di duoc bao nhieu km
Ai lam xong truoc mk tick cho nha
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 !!!!! ^^
ai muon vao lop chon nao?
day la de thi ksdn lop 6 cua truong mk. mk cung chia se voi moi nguoi day.day la cau hoi
cau 1: chu so 5 trong so 162,57 co gia tri la
... phan do de lam
cau 7: x+x:0,5+x:0,25+x:0,125=30
con nua nhung mk chi chia se den do thoi bn nao ma thac mac cai gi cu hoi mk nhe .
ai lam nhanh va dung mk se tick nha( chu y: cac bn ghi loi giai ro rang lun nhe. Xin chan thanh cam on)