40/45=8/9=16/18=24/32
Còn nhìu lắm.
Học tốt nha
chao minh la huong traam chu ko phai ca si huong tram dau nhe va minh la nguoi moi
Cho phan so 24/45.tim mot so tu nhien sao cho khi lay mau so cong voi so do va giu nguyen tu so ta duoc phan so moi bang phan so 1/5
Cho phan so 24/45. Hay Tim 1 so tu nhien sao cho khi lay mau.so cong voi so do va giu nguyen tu so ta duoc phan so moi bang phan so 1/5
tim 1 phan so bang phan so 31 / 45 , biet phan so can tim co tu sova mau so deu la cac so co 2 chu so
Tim mot phan so bang phan so 2/3. Biet trung binh cong cua tu so va mau so la 65.
giup mk voi
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.
tim 1 phan so co mau so hon tu so 45 don vi va bang phan so 3/5
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 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.
cho phan so 35/71.Hay tim 1 so nao do sao cho khi tu so va mau so cung tru di so do thi duoc phan so moi bang 3/7.
GIAI BANG LOI NHE ! GIUP TOI VOI
