các p/s có tử là 1 và có mẫu > 4 nhé. Vd: 1/5, 1/7, 1/9.
Lưu ý: mình chỉ tính các p/s có chung tử là 1
viet ba phan so khac nhau co cung tu so ma moi phan so do lon hon phan so 1/5 va be hon phan so 1/4
viet ba phan so khac nhau co cung tu so ma moi phan so do lon hon phan so 1/5
1,
Tim 1 phan so biet tu so hon mau so 8 don vi va ti so cua tu so va mau so la 5/3
2,
Hay viet cac phan so co mau so la 9 va nam giua 2 phan so 6/18 va 16/27
3,
Hay viet 4 phan so khac nhau sao cho moi phan so lon hon 5/6 va be hon 6/7
A)Viet 5 phan so bé Hon 1,co Mau so la 7 va co tu so lon hon 0:
B)Viet 5 phan so lon hon 1 va co mau so la 5:
C)Viet 5 phan so bang phan so tam phan muoi hai :
D)Viet cac phan so khac 0 co tong cua tu so va mau so bang 7:
E)Hai phan so lon hon 1 co mau so bang 7 la :
G)Hai phan so bang 1 la:
H)Khoanh vao cac phan so bang ba muoi sau phan nam tu: Hai phan ba; sau phan muoi nam;tam phan muoi hai;muoi phan muoi nam
Giai ho minh bai toan nay nhe !Minh dang can bai toan nay trong ngay hom nay.
a) viet so le nho nhat co 4 chu so biet so do lon hon 2000 va chia het cho 9
b) cho phan so 27/72 tim mot so tu nhien sao cho khi tu so cong voi so do va giu nguyen mau so thi duoc phan so moi bang 5/6
cho cac so 71,8,11,0
a viet tat ca cac phan so co tu so va mau so la cac so da cho
b tim trong do cac phan so nho hon 1 cac phan so lon hon 1 cac phan so bang 1
3viet phan soco tu so mau so la so le lon hon 6 va be hon 10 va :phan so do be hon 1:phan so do bang 1:phan so do lon hon 1
viet cac phan so co mau so bang 5,co tu so lon hon 0 va be hon mau so
tim 3 phan so co cung mau so , lon hon 2 phan 3 nhung be hon ba phan bon?
