Các câu hỏi tương tự
tim so tu nhien co ba chu so biet rang no tang gap n lan neu cong moi chu so cua no voi n ( n thuoc N )
tim mot so tu nhien co 2 chu so , biet rang neu viet them mot chu so 2 ao ben phai va mot chu so 2 vao ben ai cua no thi so ay tang gap 36 lan
tim so tu nhien co hai chu so, biet rang neu viet them mot chu so 2 vao ben phai va mot chu so 2 vao ben trai cua no thi so ay tang gap 36 lan
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
bai1 tim so co hai chu so biet rang so moi viet theo thu tu nguoc lai la so co 2 chu so moi khi nhan voi so phai tim thiduoc tich la 3154so nho trong hai so do thi lon hon tong cac chu so cua no la 27bai2ban Hung dung so tu nhien de danh so trang 1-150 de danh so sach thi ban Hung can bao nhieu chu so bai3nguoi ta danh so nha tren mot danh pho tu 2-120.Hoi can dung bao nhien chu sobai411so co bon chu so voi cac chu so ngan ngin ngan tram ngan don vi lan luot la4chu so tu nhien lien tiep .Hoi so...
Đọc tiếp
bai1 tim so co hai chu so biet rang so moi viet theo thu tu nguoc lai la so co 2 chu so moi khi nhan voi so phai tim thiduoc tich la 3154so nho trong hai so do thi lon hon tong cac chu so cua no la 27
bai2ban Hung dung so tu nhien de danh so trang 1-150 de danh so sach thi ban Hung can bao nhieu chu so
bai3nguoi ta danh so nha tren mot danh pho tu 2-120.Hoi can dung bao nhien chu so
bai411so co bon chu so voi cac chu so ngan ngin ngan tram ngan don vi lan luot la4chu so tu nhien lien tiep .Hoi so nay tang bao nhieu nieu ta viet cac chu so cua no theo thu tu nguoc lai.
do ai giai duoc
tim so tu nhien co 2 chu so biet rang neu viet chinh so do xen vao giua hai chu so cua no thi so do tang len 99 lan
tim so tu nhien co 3 chu so ,biet rang so do gap 20 lan tong cac chu so cua no
tim so tu nhien co 2 chu so biet neu cong no voi so gom 2 chu so ay viet theo thu tu nguoc lai thi duoc so chinh phuong
1. Tim tat ca cac so co 2 chu so sao cho moi so gap 2 lan tich cua no?
2. Tim so nguyen to co 3 chu so biet rang neu viet so do theo thu tu nguoc lai thi ta duc 1 so la lap phuong cua 1 so tu nhien?
3. Tim so tu nhien co 4 chu so biey chu so hang nghin bang chu so hang don vi chu so hang tram bang chu so hang chuc va so do viet duoc duoi dang tich cua 3 so nguyen to lien tiep?