Các câu hỏi tương tự
cho phan so 2/5 hoi neu them 15 vao mau so thi phai them so nao vao tu so cua phan so da cho de duoc phan so moi van bang 2/5?
cho phan so 2/5 hoi neu them 15 vao mau so thi phai them so nao vao tu so cua phan so da cho de duoc phan so moi bang 2/5
cho phan so 2/5 hoi neu them so nao vao tu so cua phan so da cho de duoc phan so moi bang 2/5
cho phan so 42phan 39 hoi phai bot di tu so va them vao mau so cua phan so do cung mot so tu nhien nao de duoc phan so 4phan5
Cho phan so 3/18 .hoi phai them vao tu so va bot o mau so cung mot so tu nhien nao de duoc phan so moi bang ps 3/4
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.
cho phan so 3/5 .neu tu so cong them 6 thi mau sob phai cong thjem so nao de duoc phan so moi van bang 3/5
cho phan so 18/27.Hoi de duoc 1 phan so bang phan so 1/2 thi phai tru di o tu so va mau so cua phan so da cho cung mot so tu nhien nao
cho phan so 37/53. hoi phai bot o tu so bao nhieu de khi them vao mau so bay nhieu thi duoc phan so 1/2 ?
tra loi duoc k 5 lan