Cho 2 phan so co tong bang -3 va tich bang 12/5. Tinh tong cac so nghich dao cua 2 phan so do

cho phan so co tong bang -3 va tich bang 12/5 ting tong nghich dao cua 2 phan so do?

1.cho hai phan so co tong bang -3 va tich bang 12/5. tinh tong cac nghich daao cua hai phan so do

2.cho hai phan so toi gian a/b va c/d. biet a/b+c/d E z. chung minh /b/=/d/

cho 2 phan so co tong bang -3 va tich bang 12/5 tinh tong cac so ngich dao cua 2 phan so

Tim 3 phan so biet tong cac nghich dao cua chung la mot so tu nhien?

tim hai phan so co tu bang 1, mau duong sao cho tong cua 2 phan so cong voi tich cua chung bang 1/2

tim so co 3 chu so biet rang nghich dao cua tong 3 chu so do bang 1 phan 1000 so da cho

tim 2 phan so co tu = 1, cac mau duong, biet rang tong cua 2 phan so ay cong voi tich cua chung = 1/2

Cac chu so phan muoi , phan tram cua mot so thap phan co hai chu so o phan thap phan la hai so tu nhien lien tiep co tong bang 11. Tich cac chu so o phan thap phan bang phan nguyen cua so do.tim so thap phan do !

         Giai chi tiet ho minh nhe!