Các câu hỏi tương tự
tim so co 3 chu so biet chu so hang tram nho hon chu so hang chuc neu doi 2 chu so nay cho nhau ta duoc so moi hon so cu 720don vi biet tong cua chu so hang don vi la 7
tong cua 2 so la 1991284 .so lon co chu so hang chuc la 5; hang don vi la 9 ;hang tram la 2 .neu xoa cac chu so do ta duoc so be .tim so be
tim tat cac so tu nhien co ba chu so thoan man cac tinh chat sau : co tong cac chu so bang 9 chu so hang chuc lom hon chu so hang don vi la 2 don vi va neu ta doi chu so hang tram cho hang don vi thi duoc so moi lon hon so ban dau la 198 don vi
Cho 2 so lon hon 320 co tong=836 chu so hang tram cua so thu1 la 5 chu so hang tram cua so thu 2 la 3 neu gach bo chu so 5 va 3 thi se duoc 2 so co 2 chu so ma so nay gap 2 lan so kia tim hieu hai so do
tim so co 3 chu so biet rang chu so hang tram gap doi chu so hang chuc va chu so hang chuc nhieu hon chu so hang don vi la 4
Tim 2 so, biet so lon gap 9 lan so be va so lon la so co ba chu so voi chu so hang tram la 4, dong thoi neu xoa di chu so hang tram cua so lon thi duoc so be
Tim so co 4 chu so biet so do cong voi so co 2 chu so tao boi chu so hang nghìn ,tram va so co 2 chu so tao boi chu so hang chuc ,don vi cua so do tong la 7968
cho 1 so co 3 chu so ma chu so hang don vi lon hon hang tram . neu viet chu so hang don vi len truoc hang tram thi duoc 1 so moi lon hon so da cho la 765 , tim so da cho
1. tim so tu nhien co 3 chu so,biet so do gap 20 lan tong cac chu so cua no
2. tim so tu nhien co 2 chu so, biet rang neu lay so do chia cho hieu cua chu so hang chuc va hang don vi, thi ta duoc thuong la 28 du 1
3. tim 1 so tu nhien co ba chu so , biet rang neu chuyen chu so cuoi len truoc chu so dau ta duoc so moi hon so da cho 765 don vi