viet phan so 3/5 duoi dang phan so thap phan co mau so bang 10 va co mau so bang 100.
viet hai phan so thap phan moi tim duoc thanh hai so thap phan.
co the viet 3/5 thanh nhung so thap phan nao ?
1. Tim trung binh cong cua tat ca cac so tu nhien co 4 chu so khac nhau duoc viet boi bon chu so 0;3;5;7.Trung binh cong cua tat ca cac so do la?
2 .Tong cua 3 so bang 5,2. So thu nhat bang 2/3 so thu ba va so thu hai bang 50% so thu ba. Tim so thu hai?
3. Tim mot phan so co mau so bang 25 , biet rang neu cong tu so voi 34 va nhan mau so voi 3 thi duoc phan so moi bang phan so da cho. Tim phan so do?
4. Tim mot phan so biet rang neu cong them 4 vao tu so va giu nguyen mau so thi ta duoc phan so moi bang 1, con neu giu nguyen tu so va cong them 3 thi ta duoc phan so moi bang 1/2 .Tim phan so do?
5. Hay cho biet co tat ca bao nhieu so co 3 chu so ma tong co chu so cua moi so bang 4 . co tat ca bao nhieu so thoa man?
viet nam phan so bang moi phan so duoi day
54/72
18/30
Cho phan so 82/103. Hay tim so tu nhien m sao cho khi them m vao ca tu va mau cua phan so da cho thi ta duoc phan so moi bang phan so 5/6?
m=
hay viet 9 so thap phan be hon 1 ma phan thap phan cua moi so do co mot chu so va khac 0
cho phan so 20/59. hay tim so tu nhien a sao cho khi them a vao ca tu so vao mau so cua phan so da cho ta duoc phan so moi co gia tri bang 2/5
cho 4chu so 0;2;4;8.tu cac chu so da cho;hay viet so thap phan be nhat co mot chu so o phan thap phan(moi chu so da cho xuat hien trong cach viet dung mot lan)
cho 4 chu so 0,2,4,8 tu cac so da cho hay viet so thap phan be nhat co mot chu so o phan thap phan [moi chu so da cho xuat hien trong cach viet dung mot lan]
cho 4 chu so 0;2;4;8.tu cac chu so tren, hay viet so thap phan be nhat co mot chu so o phan thap phan moi chu so da cho xuat hien trong cach viet dung mpot lan .vay so thap phan be nhat can tim la..............