a,Thay cac chu so x, y boi cac chu so thich hop de so A = 56x3y chia het cho ca 3 so 2, 5, 9
b, Thay cac chu so x, y boi cac chu so thich hop de so B = 24x68y chia hat cho 45
Dien chu so thich hop vao x:
xxx . 9 =123x
viet so thich hop vao cho trong
100m2=.........ha...........km2
viet so thap phan thich thich hop vao cho cham
3ngày 4giờ =.........ngày
viet so phan thap phan thich hop vao cho cham [ phan thap phan lay 3 chu so]
18/235=.... 2008/996=... 7437/1425=...
tim chu so thich hop thay vao x,y,m,n biet xy,mn-0,xy
cac ban giai bang cach lam cua cap 1 nha
Viet so thich hop vao cho cham :
1/2m2 = .....dm2
1/5m2 = .....dm2
9/10m2 = .......cm2
2/5m2 = ......cm2
Bai :1:Viet cac phan so thap phan sau duoi dang so thap phan :
24/36
Bai :2:Viet so thap phan thich hop vao cho cham :
9dm8cm5mm=..............dm
2m6dm3cm=.................m
Bai :3:12 nguoi lam xong mot cong viec trong 4 ngay . Hoi 32 nguoi lam xong cong viec do trong bao nhieu ngay ?
giai nhanh vao nha may ban va nho la giai han ra day nhe !!!!!!!!!!thanksssssssssss!!!!!!!!!!!!!!!!!
Giup minh nhung cau nay nha:
Viet so thap phan sau duoi dang phan so thap phan:21,005=........
Sap xep cac so sau theo thu tu tang dan:0,15;2,5;3;4/10;1,2
Tim x:
A.x×1va 1/2=1 va 4/5-2/5
B.x×0,75+x×0,25=5
Viet so thap phan thich hop vao cho cham
19 kmvuong 9 dmvuong=.........kmvuong