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 .

Ha nghi ra mot so neu lay so do chia cho 2duoc bao nhieu roi lai chia cho 3thi duoc ket qua la so lon hon so nho nhat co 3 chu so la 5 .Hoi Ha nghi den so nao

giai ho mk nhanh nhe cac pn cam on nhieu nha

Sap xep cac phan so sau theo thu tu tu lon den be 5/4 ,34/48 ,3 ,5/7 ,1 ,26/48 .Cac ban giai day du ra ho minh nhe. Cam on nhieu!

a. 715kg =.................tan

b. 649dm3 =..................m3

c. 1ha 84m2 =............................ha

d. 2gio 45phut =.................gio

ti so phan tram giua 8 va 25 la :

.........................................

cau cuoi nhe cac ban:

Xep cac so nay theo thu tu tu be den lon :

1,45 ; 0,7 ; 3 phan 2; 2 phan 5

xin loi cac ban tai viet nhanh qua nen minh khong bo dau nhe

mong cac ban giai dum

dua cac phan so ve cung mau so roi sap xep theo thu tu tu be den lon

Tim cac so tron chuc co 5 chu so khac nhau,biet rang chu so hang chuc nghin la 5;tong cua 4chu so con lai la 8.Co tat ca bao nhieu so thỏa man de bai ? Sap xep cac so tim duoc theo thu tu tu lon den be.

bài 1: a) binh nghi ra mot so .Biet rang so lon nhat co hai chu so hon so do la 65.tim so binh da nghi.

b) an nghi ra mot so. biet rang so do be hon so be nhat co ba chu so la 15. tim so an da nghi.

bai 2: tu ba chu so 5, 2, 3 an lap duoc so lon nhat va so be nhat co mat du ba chu so do , roi tinh hieu hai so vua lap duoc . hieu do la bao nhieu ???nhanh len nhe mik dang can rat gap 

dua cac phan so ve cung mau so roi sap xep theo thu tu tu be den lon 2 phan 7  6 phan 14  30 phan 35  3 phan 21  2 phan 5  9 phan 45  8 phan 10 12 phan 20

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