Ta có: 400/1000 = 4 x 100 / 10 x 100 = 4/10
=> 4/10 = 400/1000
Ta có : \(\frac{400}{1000}=\frac{4}{10}\)
Cho so thap phan A.Neu chuyen dau phay cua so do sanh ben phai 1hang thi duoc so thap phan B.Biet hieu giua B va A la 18,27.Tim so thap phan B
chuyen cac so thap phan sau thanh phan so thap phan roi chuyen sang hon so
43,2
52,04
4,01
b)chuyen cac phan so thap phan sang hon so roi sang so thap phan
45/10
2167/1000
2167/100
viet phan so 5/8 thanh phan so thap phan co mau so la 1000
viet phan so 5/8 thanh phan so thap phan co mau so la 1000
viet phan so 63/72 thanh phan so thap phan ma mau so la 1000
viet phan so 63/72 thanh phan so thap phan ma mau so la 1000
viet phan so 3/5 duoi dang phan so thap phan co mau so bang 10 va co mau so bang 100.
viet hai phan so thap phan moi tim duoc thanh hai so thap phan.
co the viet 3/5 thanh nhung so thap phan nao ?
viet cac phan so thanh phan so thap phan co mau so la 100
500/1000=?
cho mot so thap phan ,doi dau phay cua so thap phan do sang ben phai mot chu so ta duoc so thap phan thu hai cong hai so thap phan lai ta duoc294,58 .Hoi so thap phan ban dau la bao nhieu?
