Tim 3 phan so bang phan so 12/15
cac ban ghi ro lam the nao ra duoc ket qua do giup minh voi nhe
minh xin cam on cac ban da giup minh
Quy dong mau so cac phan so:
1\6va4\5 ; 11\49va8\7 ; 12\59va5\9 ; 5\9va7\36 ;47\100va17\25;4\9va5\8
minh can gap cac ban nho giai cho ro nhe
Trong cac phan so sau phan so nao khac voi phan so con lai 7/11 145/150 2003/2007 1/5
Tong TS va MS cua 1 phan so =88 . Sau khi rut gon ta duoc phan so 5/6 . Tim phan so ban dau ?
Cac bn giup Mk voi mk can gap
cho a=1 phan 5 + 1phan 6 +1 phan 7 +1 phan 8 + 1 phan 9 .so sanh avoi 1
cac ban nho yich ro rang cho minh nha
lap cac phan so nhau tu 4 trong 5 so sau : 2; 3; 4; 6; 12 va giai thich. giup mi nh voi !
Dien < > =
A 2/3:5/6. 4/5×2/3
B 1/2×3/4. 5/8:6/8
C 9/7:3/2. 7/6:1/4
D 13/12:12/11. 11/10:10/9
CAC BAN NHO VIET KET QUA DUOI MOI PHAN SO MA MINH TINH DUOC NHE
bai 1.A,sap xep cac phan so sau day theo thu tu tu lon den be ;5/6,13/8,8/9 ,1/3 ,3/2 ;B,tim tat ca cac phan so sau cho mau so la so co 2 chu so . Cac ban giup to nhe .
ko quy dong hay so sanh cac phan so hop ly nhat
a,3/4 va 4/5
b,4/3 va 1999/1998
giup minh voi