Các câu hỏi tương tự
tong cua 2 so la 638, tim so lon, neu xoa chu so 5 o hang tram cua so lon thi duoc so be
Tim mot so co 2 chu so, biet rang khi viet them chu so 4 vao ben trai so do ta duoc mot so gap chin lan so phai tim
viet cac so 2 chu so co hang chuc la 3
viet cac so 2 chu so co hang don vi hon hang chuc la 2
viet tat ca cac so co 2 chu so , biet rang chu so han don vi hon chu so hang chuc la 4 don vi
giai ro rang ra cho mk nha !
tim so tu nhien co 3 chu so biet rang khi chia so do cho 17 thi duoc so du la 8 con chia so do cho 25 thi duoc so du la 16
tim mot phan so bang phan so 3/4 biet rang neu lay tu so cua phan so do cong voi nam thi duoc phan so bang 4/5
tim mot so co hai chu so biet hieu cua chu so hang chuc va chu so hang don vi bang 5 va tich cua hai chu so bang 24
cho phan so 17/21 . Hay tim 1 so tu nhien sao cho khi ca tu so va mau so cua phan so da cung cong voi so do thi dc phan so moi co gia tri bang 6/7
Tong so diem kiem tra cuoi nam cac mon cua ban Hong la 35 diem. trong do diem kiem tra mon toan cua Hong la 10 diem. Hoi tong so diem cac mon hoc con lai khong ke mon Toan cua Hong la bao nhieu?