5/6 = 1/2 + 1/3
7/12 = 1/3 + 1/4
8/15 = 1/3 + 1/5
17/24 = câu này mik suy nghĩ chưa ra
5/6 = 1/2 + 1/3
7/12 = 1/3 + 1/4
8/15 = 1/3 + 1/5
17/24 = câu này mik suy nghĩ chưa ra
viet moi phan so sau thanh tong cac phan so co tu so bang 1 va mau so khac nhau
5/6 7/12 8/15 17/24
giai tri tiet bai toan
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.
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
viet pahn so 15/16 thanh tong cac phan so co tu so la 1 mau so khac nhau
SAI
1) Mot hinh chu nhat co chu vi la 320 cm . Biet neu viet them chu so 1 vao ben trai so do chieu rong thi duoc so do chieu dai . Tim dien tich cua hinh chu nhat ?
2) Viet cac phan so sau day thanh tong 3 phan so sao cho moi phan so co tu so la 1 , mau so khac nhau
a) 11/26 ; b) 7/8
1.Viet moi so tu nhien 2,4,13,9 duoi dang phan so
a,mau so la 1
b,mau so la 5
c,mau so la 7
2.Cho cac so 0,3,7,11.Hoi co the lap duoc bao nhieu phan so co tu so va mau so tu cac so da cho
giup minh voi
cho phan so 35/71.Hay tim 1 so nao do sao cho khi tu so va mau so cung tru di so do thi duoc phan so moi bang 3/7.
GIAI BANG LOI NHE ! GIUP TOI VOI
tim 1 phan so, biet rang neu cong them 2 don vi o tu so va bot 2 don vi o mau so thi duoc phan so moi co tong tu so va mau so la 97.Neu them vao tu so 7 don vi va bot 8 don vi o mau so thi duoc phan so moi co gia tri bang 1
TIM MOT PHAN SO BIET NEU CHUYEN 8 DON VI TU MAU SO LEN TU SO TA DUOC PHAN SO MOI CO GIA TRI BANG 1 VA TONG CUA TU SO VA MAU SO BANG 186 . VAY PHAN SO DO LA .....