Các câu hỏi tương tự
cho phan so 232323 phan 121212 va phan so 2323232323phan 1212121212 hoi hai phan so nay co bang nhau khong nho lam loi giai nhe va lam mau len de minh viet minh se tich cho
Tim so nguyen x , biet : 1 phan 6 = x phan 18 ; x phan 8 = -1 phan 4 ; 4 phan -5 = x phan 10 ; 11 phan 5 = -22 phan x ; x phan 8 = 8 phan x ; x phan -11 = -11 phan x
em hay xay buc tuong o hinh 9 nay bang cach dien cac phan so tich hop vao cac vien gach theo quy tac sau a=b+c(h.10)
6 phan 17
4 phan 17 -4 phan 17
1 phan 17
-7phan 11
11 phan 17
mot manh dat duoc chia lam 3 phan . Phan de xay nha co dien tich chiem 3/5 dien tich manh dat .Phan de lam san co dien tich bang 24% dien tich manh dat .Phan dien tich con lai la 24 m vuong de trong cay canh .
tinh dien tich manh dat
tinh dien tich phan at de lam nha
cho phan so 13/9. Phai them vao tu va mau cua phan so voi so tu nhien nao de duoc 1 phan so bang phan so 5/7
Tim phan so toi gian a/b biet :
a) Cong tu voi 4, cong mau voi 10 thi gia tri phan so ko doi
b) Cong mau vao tu, cong mau vao mau cua phan so thi duoc phan so moi bang 2 lan phan so da cho.
CHO PHAN SO 13/18 .neu them 25 vao tu thi phai them vao mau bao nhieu de gia tri phan so ko doi
tim mot phan so toi gian biet neu cong mau vao tu va mau vao mau thi phan so gap len 2 lan.loi giai ro rang nha,minh can gap lam
tim mot phan so co mau la 11 biet rang khi tu tru 18 va nhan mau voi 7 thi duoc mot phan so bang phan so da chotim mot phan so co mau la 11 biet rang khi tu tru 18 va nhan mau voi 7 thi duoc mot phan so bang phan so da cho