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
cho 2 phan so 6/7 va 2/9 tim phan so a/b sao cho khi them a/b vao moi phan so ta duoc hai phan so moi co ti so la 3?
cho 2 phan so 6/7 va 2/9 tim P/S a/b sao cho khi them a/b vao moi PS ta duoc 2 PS co ti so la 3
cho 2 phan so 4/5 va 1/6 .hay tim phan so a/b sao cho khi them a/b vao 1/6 va bot a/b o 4/5 thi ta duoc 2 phan so co ty so la 2
Tim 2 so thap phan la:A va B.biet neu them vao A 9 don vi va bot o B di 9 don vi thi ta duoc ti so la 13/3.Neu bot o A di 6 don vi va tang them B 6 don vi thi duoc ti so la 7/9.tim 2 so do.
cho 2 phân số 6 phan 7 va 2 phan 9 tim phan so a phan b sao khi cho them a phan b vao moi phan so ta duoc 2 phan so co ti la 3
cho 2 phan so 6\7 va 2\9.hay tim phan so a\bsao cho khi them a\b vao moi phan so ta duoc 2 phan so co ti so la 3
cho 2 so thap phan a va b neu viet them 3,01 vao so a va bot o so b di 3,01 thi duoc 2 so moi co ti so la 4 con neu bot di o a 0,7 va them vao b 0,7 thi ta duoc 2 so moi co ti so la 3 tim hai so a va b
Cho phan so 37/83 .Hay tim mot so tu nhien m sao cho khi them m vao tu so va bot m o mau so cua phan so da cho thi duoc phan so moi co gia tri bang 5/7