tim phan so lon nhat va phan so nho nhat co tu la 5,lon hon 6/20 va be hon 6/10
tim 5 phan so lon hon 1/3 va be hon 1/2
tim cac phan so co tu so la 3 ma lon hon 1/6 nhung nho hon 1/5 ?
hay tim 4 phan so nho hon 6/11 va lon hon 4/9
hay viet 1 phan so lon hon 5/7 va nho hon 5/6 . co bao nhieu phan so nhu vay
tong 3 so la 117 .biet rang so thu 2 lon hon so thu 1 la 5 don vi va nho hon so thu 3 la 5 don vi . tim 3 so do
tim 4 phan so lon hon 1phan 5 va be hon 3 phan 4
1.a Viet 5 so thap phan co gia tri lon hon 0,21 va nho hon 0,22
b Viet phan so nho nhat va lon nhat co tong cua tu va mau deu bang 2012
2.aTy so cua Ava B la 3/7,Ty so cua B va C la 5/6.Tim ty so cua A va C
b.Tim so ab nho nhat sao cho 2ab chia het cho 45
3.a Mot truong hoc co so hoc sinh nam chiem 25% tong so hoc sinh ca truong va nhieu hon so hoc sinh nu la 30 em.Hoi truong do co tat ca bao nhieu hoc sinh
b Mot qua dua nang hon 3/5 can nang cua no la 3 kg.Hoi qua dua do nang may kg
Hay cho biet co bao nhieu so thap phan co 1 chu so o phan thap phan ma lon hon 18 va nho hon 20 ?