Các câu hỏi tương tự
cho hai phan so 7/9 va 3/11 tim phan so a/b sao cho dem moi phan so nhan tru cho a/b thi duoc phan so moi co ti so la 5
cho 2 phan so 5/8 va 4/5.hay tim phan so a/b sao cho khi dem phan so 5/8cong voi phan so a/b va dem phan so a/b tru di phan so a/b thi duoc hai phan so co thuong la 2 ?
cho hai phan so 5/8 va 4/5 hay tim phan so a/b sao cho khi dem phan so 5/8 +voi phan so a/b va dem phan so 4/5-di phan so a/b thi ta duoc 2 phan so co ti so la 2
cho 2 phan so 6\7 va 2\9.hay tim phan so a\bsao cho khi them a\b vao moi phan so ta duoc 2 phan so co ti so la 3
Cho phan so 25/37. Hay tim so a sao cho dem mau so da cho tru di a va giu nguyen tu so thi duoc phan so moi co gia tri la 5/6.
Tra loi nhanh duoc nhieu likeeeeeee...
cho 2 phan so 7/11 va 1/5.hay tim phan so a/b sao cho cong vao moi phan so a/b thi co ti so la 3 ?
cho phan so 25 phan 37 hay tim so tu nhien a sao cho dem mau so cua phan so da cho tru di a va giu nguyen tu so thi duoc phan so moi co gia tri 5 phan 6
cho 2 phan so 6/7 va 2/9 tim phan so a/b sao cho khi them a/b vao moi phan so ta duoc hai phan so moi co ti so la 3?
Cho phan so 7/8, hay tim so A sao cho dem tu so cua phan so da cho tru di A va them A vao mau so ta duoc phan so moi 1/4.