cho phan so co tong bang -3 va tich bang 12/5 ting tong nghich dao cua 2 phan so do?
cho 2 phan so co tong bang -3 va tich bang 12/5 tinh tong cac so ngich dao cua 2 phan so
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 2015 lan tich cua chung
tinh tong cac phan so nghich dao cua chung
tim so co 3 chu so biet rang nghich dao cua tong 3 chu so do bang 1 phan 1000 so da cho
cho 2 phan so 4/4 va 6/7 tu 2 phan so da cho lap 1 phan so thu ba bang cach ;tu so la tong cac tu so cua 2 phan so da cho ,mau so la tong cac mau so da cho.Hay so sanh ba phan so do voi nhau va xep chung theo thu tu tang dan
Cho 1so tu nhien va mot so thap phan co tong bang 2032,11.Bo di day phay cua so thap phan do di thi tong se=4023 .Tim so thap phan do
tim so tu nhien co bon chu so biet rang so do co the phan tich thamh tich cua hai thua so co tong bang 100 va mot trong hai thua so ay co dang a^a
viet tap hop A gom cac so co 3 chu so sao cho tong cua 3 chu so do bang 5. Hoi A co bao nhieu phan tu ?