A) Viet 3 va 4/10 thanh hai phan so deu co mau so bang 5
B)Viet 5/9 va 2 thanh hai phan so deu co mau so bang 18
Hay viet 2 phan 7va 5 thanh hai phan so deu co mau so la 7
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
hay viet 5 phan 8 ; 25 phan 30 va 2 thanh cac phan so co mau so chung la 240
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.
hay viet 4 phan 7 thanh 3 phan phan so co mau so co mau so la 7 va 14
bai 4 ;Viet hai phan so lan luot bang :
a) 5/7 ;4 va co mau so chung la 7
b) 9/11 ;5 va co mau so chung la 33
viet cac phan so lan luot bang 7 phan 9 va 5 phan 12 va co mau so chung la 36
hay viet 3 va 3 phan 7 thanh 2 phan so co mau so chung la 14
