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Các câu hỏi tương tự
Xep cac phan so sau theo thu tu tu be den lon :
2/3 , 3/4 , 5/6 , 1/12 .
Nguoi ta cong 5 so va chia cho 5 thi duoc 138.Neu xep cac so theo thu tu lon dan thi cong 3 so dau tien va chia cho 3 se duoc 127,cong 3 so cuoi va chia cho 3 se duoc 148.Ban co biet so dung giua theo thu tu tren la so nao khong
nguoi ta cong them 5 so va chia cho nam thi duoc 138. neu xep cac so theo thu tu lon dan thi cong 3 so dau tien va chia cho 3 se duoc 127 cong 3 so cuoi va chia cho 3 se duoc 148. ban co biet so dung giua theo thu tu tren la so nao ?
a, Viet cac phan so 1/2 ; 2/3 ; 3/4 ; 4/5 ; 5/6 theo thu tu tu be den lon
b, Viet cac phan so 13/12 ; 3/2 ; 15/22 ; 7/8 theo thu tu tu lon den be
theo thu tu tu be den lon
1/4 ; 3/10 ; 9/40 ;3/8
neu ai giai duoc thi cho tien
Sap xep cac phan so sau theo thu tu tu lon den be
8/9; 4/5; 9/8; 3/4; 10/9; 12/12; 7/8; 1/6; 1/4; 3/2; 1/5; 8/7; 6/5; 5/6; 4/3; 6/7; 2/3; 2/15; 1/2;5/4
a.Sap xep cac phan so sau theo thu tu tu lon den be. 9/7,7/8,6/7,9/5
b.Sap xep cac phan so sau theo thu tu tu be den lon.4/3,1/2,6/5,5/12
hay viet lien tiep tat ca cac so co 2 chu so chia het cho 9 theo thu tu tu be den lon de duoc1 so co nhieu chu so roi xoa di 1 nua so chu so cua no de duoc 1 so :
a/ be nhat
b/ lon nhat
xep theo thu tu tu lon den be
b 3/4, 2/3,7/12,5/6