Bach do Chien:
"do ban tim duoc so tron chuc lon hon 40.000 co cac chu so khac nhau ma tong cac chu so cua so do bang 10.Khi cong so do voi so viet theo thu tu nguoc lai thi duoc mot so co 5 chu so giong nhau.
Chien thach thuc:
-Neu tim duoc so do thi sao?
-Thi to cho cau di an kem tha cua chu sao.
nham mot lat,roi viet ngay hai so do ra giay.Chien than phuc roi dua ban di an kem.
cac ban cung thu suc nhe
Mot bqn khi tim tat ca cac so co 6 chu so biet tong cac chu so cua no la 48 va khi viet cac chu so do theo thu tu nguoc lai thi so do khong thay doi .hoi ban ay tim duoc nhieu nhat bao nhieu so thoa man yeu cau
tim-mot-so-co-hai-chu-so-biet-tong-cac-chu-so-cua-so-do-bang-12-neu-do-cho-hai-chu-so-cua-so-do-cho-nhau-thi-duoc-mot-so-kem-so-ban-dau-54
tim mot so biet so do cong voi so be nhat co ban chu so khac nhau roi tru di so lon nhat co ba chu so khac nhau thi duoc so lon nhat co hai chu so
ban an phai tim tat ca cac so co 3 chu so lon hon 500 ma tong cac chu so cua moi so do deu bang 12 dong thoi chu so hang don vi bang trung binh cong cua chu so hang tram va hyang chuc hoi ban an tim duoc nhieu nhat bao nhieu so thoa man yeu cau
TIM MOT SO CO 2 CHU SO , BIET RANG NEU SO DO CONG VOI 35 ROI CONG TIEP VOI 65 THI DUOC MOT SO MOI CO TONG CAC CHU SO BANG 18
Ban An phai tim tat ca cac so co 3 chu so lon hon 500 ma tong cac chu so cua moi so do deu = 12, dong thoi chu so hang don vi = trung cong cua chu so hang tram va hang chuc. Hoi ban An tim duoc nhieu nhat may so thoa man yeu cau?
tim mot so co hai chu so biet rang neu lay so do cong voi 35 roi cong tiep 65 thi duoc mot so moi co tong cac chu so la18.
Cau 1 : Co bao nhieu phan so ma tu so va mau so la cac so co 2 chu so va tu so kem mau so 5 don vi ?
Cau 2 : Co bao nhieu so thoa man dieu kien khi cong voi so 3546 thi duoc 1 so co 4 chu so giong nhau ?
Cau 3 : Tim 2 so biet so thu nhat bang \(\frac{3}{4}\)so thu hai . Biet rang neu bot o so thu nhat di 28 don vi thi duoc tong moi la 357 ?
Cau 4 : Tim 2 so biet rang so thu nhat bang \(\frac{2}{5}\) so thu hai . Neu lay so thu nhat cong voi so thu hai roi cong voi tong cua chung thi duoc 168 ?
Cau 5 : Minh do Hanh : Thoi gian tu dau ngay den gio bang\(\frac{3}{5}\) thoi gian tu bay gio den het ngay . Do ban bay gio la may gio ? Em hay giup Hanh giai dap cau do cua Minh .
AI LAM NHANH THI MK SE TICK CHO
GIUP MK VOI NHA
CHO MK CAM ON TRUOC
DAY LA TOAN LOP 4 NANG CAO NHA CAC BAN ^ _ ^
tim mot so ,biet rang layso do chia cho so chan lon nhat co mot chu so thi duoc so le nho nhat co nam chu so.ban nao nhanh tay to 1like va o moi bai khac nhanh tay len chuc cac ban nhan duoc like cua minh.Co len cac ban.
