Các câu hỏi tương tự
tim so tu nhien co ba chu so,biet rang binh phuong cua chu so hang chuc bang tich hai so kia va so tu nhien do tru di so gom ba chu so ay viet theo thu tu nguoc lai bang 495?
Tim so tu nhien co hai chu so biet rang so do gap doi tich cac chu so cua no
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
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
tim so tu nhien co bon chu so biet rang so do co the phan tich thamh tich cua hai thua so co tong bang 100 va mot trong hai thua so ay co dang a^a
tim so tu nhien co hai chu so thoa man ba dieu kien sau.tong cac chu so cua no khong nho hon 7 tong binh phuong cac chu so khong lon hon 30.hai lan so duoc viet boi cac chu so cua so phai tim theo thu tu nguoc lai khong lon hon so do
tim so tu nhien co 3 chu so ,biet rang so do gap 20 lan tong cac chu so cua no
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 so do gap doi tich cac chu so cua no.
Giup minh voi! Thank truoc nha!( nho ghi cach giai ro rang)