Các câu hỏi tương tự
cho phan so a/b co gia tri = phan so toi gian 129/133 tim phan so da cho , biet rang b-a bang 60
cho phan so a/b co gia tri bang phan so toi gian 129/133 tim phan so da cho biet b-a=6
cho phan so 15/39 tim mot so tu nhien biet rang khi cong them so do vao mau so cua phan so da cho va giu nguyen tu so thi duoc phan so moi co gia tri bang 3/11
cho phan so a/b co gia tri = 3/7 va neu them vao tu 60 don vi thi duoc 1 phan so moi co gia tri = 3/2 tim phan so a/b.
Tim phan so a/b co gia tri bang 1/3, biet rang neu them 5vao tu so va bot 5o mau so thi duoc phan so moi co gia tri bang 1/2?
cho phan so 61/111 tim so tu nhien n biet rang neu cung them n vao tu so va mau so thi duoc phan so co gia tri 7/12
cho phan so 61/111 tim so tu nhien n biet rang neu cung them n vao tu so va mau so thi duoc phan so co gia tri 7/12
giai giup minh cam on nhieu\
tim 1 phan so biet rang phan so do co gia tri bang 36/45va neu chuyen 7 don vi tu mau so len tu so thi ta duoc phan so moi co gia tri bang 1
tim mot phan so biet rang hieu giua mau so va tu so cua phan so do bang 86 va biet phan so do co gia tri bang 3/5
giup mk giai toan mk tic dung cho nha
a) cho 2 phan so 11,32 va 29,83 . Hoi phai bot o so be dong thoi them vao so lon mot gia tri la bao nhieu de duoc 2 so co ti so la 1/4 .
b) tim phan so a/b co gia tri bang 2/7 , biet rang neu bot 3 don vi o mau so thi duoc mau so moi co gia tri bang 3/10