Các câu hỏi tương tự
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 mot phan so co mau so bang 1/4 tu so ma tong cua mau so va phan so la 10
Tim phan so a/b sao cho khi ta cong them 8 vao tu so va cong them 10 vao mau so thi ta duoc phan so moi bang phan so a/b
TIM MOT PHAN SO BIET , NEU THEM VAO TU SO 10 DON VI THI TA DUOC PHAN SO CO GIA TRI BANG 1 . CON NEU CHUYEN 1 DON VI TU TU SO XUONG MAU SO THI TA DUOC PHAN SO CO GIA TRI BANG 1/2 PHAN SO DO LA .....
tim mot phan so biet tong cua tu so va mau so cua phan so do bang 162 va biet phan so do co gia tri bang 4/5
tim phan so do
Tim 1 phan so co mau so la 25 va bang phan so 12/10
Cho phan so 5 phan 13.Tim mot so tu nhien de khi cong so do vao tu so va lay mau so tru di chinh so do ta duoc phan so moi bang phan so 4 phan 5.
tim cac phan so co tu so be hon 30 va: bang phan so 5/3 va bang phan so 4/7 dang cAN GAP
Tim 4 phan so
A bang phan so 5 / 9
B bang phan so 15 / 19