tu cac so 3,5,7,9 co the lap duoc bao nhieu phan so be hon 1 ma tu so va mau so be hon 10
tu 4 chu so 0,1,2,3 co the lap duoc bao nhieu so thap phan be hon 1 ma moi so deu co 4 chu so va co du mat cac so da cho
co bao nhieu phan so be hon 1 ma tich tu so va mau so bang 120
hay cho biet co tat ca bao nhieu phan so be hon 1 ma tong cua tu so va mau so cua moi phan so do bang 2014
cac ban nao biet giai bai toan nay k?De bai nhu sau:viet 3 phan so khac nhau co cung mau so ma moi phan so do:1 la lon hon phan so 1/5,2 la be hon phan so 1/4 va 3 la lon hon phan so 1/5,be hon phan so 1/4
cho cac so 1 3 5 7 9 viet duoc bao nhieu chu so ma tu so va mau so dieu bang10
co bao nhieu phan so lon hon 33/77 va be hon 99/84 ma co mau so la 56
cho các số 1,3,5,7,9 co the lap duoc bao nhieu phan so be hon 1
cho 2 phan so 6/7 va 2/9 hay tim p/s a/b sao cho khi them ab/ vao 2 p/s da cho thi ty so cua 2 p/s la 3
cho 2 phan so 6/7 va 1/9 hay tim p/s a/b sao cho khi them a/b vao 1/9 va bot a/b o 6/7 thi ta duoc 2 p/s co ty so la 3
viet duoc bao nhieu p/s ma tong cua tu so va mau so 2012 co bao nhieu p/s nho hon 1 bang 1 lon hon 1
tim hai so chan co tong la 2100 biet giua chung co 18 so chan khac tim 2 so tu nhien biet tong cua hai so nay la 2019 giua chung co tat ca 20 so tu nhien khac
ai nhanh minh tick 5 lan giai han bai giai ra nha