Viet cac so do dien tich sau duoi dang phan so thap phan :
75cm2 = ..........dm2
80dm2 = .........m2
200m2 = .........hm2
340m2 = .......hm2
30dam2=..................hm2
30dam2= ...hm2
30dam2 = ....hm2
giup minh ne 10 phep tinh nhan so thap phan, phan thap phan co 2 chu so
10 phep tinh phan thap phan co 3 chu so
10 phep tinh so thap cong so thap phan
10 phep tinh so thap phan tru so thap phan
Cac chu so phan muoi, phan tram, phan nghin cua mot so thap phan co 3 chu so o phan thap phan la 3 so le lien tiep . Tong cac chu so o phan thap phan bang phan nguyen cua so do, cac chu so o phan nguyen va phan thap phan deu khac nhau . Tim so thap phan do ?
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?
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 ?
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 2.Lay so thu hai tru di so ban dau ta duoc hieu bang 362,043.Tim tong cua so thap phan ban dau va so thap phan thu hai?