Các câu hỏi tương tự
tim 1 phan so biet neu them 3 vao tu so va giu nguyen mau so thi duoc 1phan so co gia tri bang 1
neu them vao mau so 12 thi duoc 1 phan so co gia tri la 1/ 2
tim 1 phan so, biet rang neu cong them 2 don vi o tu so va bot 2 don vi o mau so thi duoc phan so moi co tong tu so va mau so la 97.Neu them vao tu so 7 don vi va bot 8 don vi o mau so thi duoc phan so moi co gia tri bang 1
Cho phan so 3 phan 7.Neu cong them vao tu so va mau so do voi cung mot so tu nhien thi duoc mot phan so moi bang phan so 2 phan 3.Tim hai phan so do.
Cho phan so 3 phan 7.Neu cong them vao tu so va mau so cua phan so do voi cung mot so tu nhien thi duoc mot phan so moi bang phan so 2 phan 3.Tim hai so do.
tim mot phan so bang phan so 9/10 neu tu so cua phan so tru di 15 va giu nguyen mau so thi ta duoc phan so moi bang phan so 3/4
tim 1 phan so toi gian co tu so la 3 biet khi cong 1 vao tu so cua phan so do va giu nguyen mau so ta se duoc phan so moi co gia tri bang 1 phan2
cho phan so 35 / 39 . Hay tim mot so tu nhien sao cho khi them so do vao mau so cua phan so da cho va giu nguyen tu so thi ta duoc phan so moi bang 5/6 . tim so tu nhien do
tim mot phan so biet neu them 28 don vi vao tu so ta duoc phan so moi co gia tri bang 1 va biet trung bing cong cua mau so va tu so labang 55 ?
Tim mot so sao cho khi tu so cua phan so 13/36 cong voi so do va giu nguyen mau so thi duoc phan so moi bang 5/9.