Các câu hỏi tương tự
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...
Đọc tiếp
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?
tim so tu nhien co 3 chu so biet rang chu so hang don vi chia chu so hang chuc duoc thuong la 3 du 1 chu so hang tram bang tong 2 so con lai
tim mot co hai chu biet chu so hang chuc bang 1/3 chu so hang don vineu viet so do theo thu tu nguoc lai thi ta duoc mot so moi lon hon so da cho la 54 don vi
Tim so tu nhien co 3 chu so khac nhau, biet rang: chu so hang tram chia cho chu so hang chuc duoc 2 du 2; con chu so hang don vi bang hieu cua hai so do
tim 1 so co 3 chu so biet rang chu so hang chuc cho chu so hang don vi duoc 2 du 2 con chu so hang tram = hieu cua 2 chu so kia
tim so co 3 chu so , biet rang chu so hang chuc chia cho chu so hang don vi duoc 2 du 2 , con chu so hang tram bang 2 chu so kia
HSG
Tong cua bon so tu nhien la so lon nhat co 7 chu so .Neu xoa di chu so hang don vi cua so 1 thi duoc so 2. so thu 3 bang hieu cua so 1 va so 2.so be nhat la tich cua so be nhat co ba chu so va so lon nhat co bon chu so .tim so thu 4
2: ban An co 170vien bi gom 2 loai :bi xanh va bi do .Ban An nhan thay 1/9 so bi xanh bang 1/8 so bi do .hoi ban An co bao nhieu bi moi loai
Cho so chan co 4 chu so ma tong cac chu so cua no bang 24 . Neu viet so do theo thu tu nguoc lai thi van duoc so da cho . Hay tim so da cho , biet rang nhom 2 chu so ben trai lon hon nhom 2 chu so ben phai la 36 don vi .
tim so co 3 chu so biet rang chu so hang chuc chia chu so hang don vi duoc 2 du 2. con chu so hang tram bang hieu 2 so kia