1 quyen sach co 2016 trang . hoi can dung bao nhieu chu so de danh so trang cuon sach do
De danh so trang cua 1 quyen sach nguoi ta can dung 723 chu so. Hoi quyen sach co bao nhieu trang?
Minh dang can gap!
can bao nhieu chu so de danh dau mot quyen sach co 150 trang
So chu so de danh so trang cua 1quyen sach bang dung hai lan so trang cua quyen sach do.tinh quyen sach day bao nhieu trang
mot cuon sach day 126 trang.hoi can phai dung bao nhieu chu so de danh so trang cuon sach do ?
nguoi ta dung 468 chu so de danh 1 quyen sach hoi cuon do co bao nhieu trang
de danh so trang cua 1 quyen sach day 124 trang nguoi ta phai dung bao nhieu chu so
a) viet tiep 1 so vao day so sau cho phu hop : 1; 4; 9;16; ?
b) can bao nhieu chu so de danh so cac trang cua 1 quyen sach co 150 trang ?
khi danh trang mot quyen sach,nguoi ta thay trung binh moi trang phai dung hai chu so.Hoi quyen sach co bao nhieu trang?