Ti so phan tram cua 2 so:55 va 60 (lay 4 chu so phan 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 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?

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 294 , 58.Tim tong cua so thap phan ban dau va so thap phan thu hai?

Cac chu so phan muoi , phan tram cua mot so thap phan co hai chu so o phan thap phan la hai so tu nhien lien tiep co tong bang 11. Tich cac chu so o phan thap phan bang phan nguyen cua so do.tim so thap phan do !

         Giai chi tiet ho minh nhe!

An co so bi bang 5phan 4so bi cua ha .so bi cua ha bang 2 phan 3so bi hai va 1 phan 2 so bi cua hai la 12 vien

A)tinh so bi cua An,Ha,Hai

B)tinh ti so phan tram so bi cua Hoa so voi so bi cua 3 ban.An,Ha,hai

co hai so thap phan [moi so co ba chu so o phan nguyen ,mot chu so o phan thap phan]­ ma hieu la 326,2vi ngu gat nen sai 3 loi trong bai toan tru thanh cong bo dau phay cua phan thap phan va tang so hang tram o tren len 1 don vi nen co ket qua la 9192 tim hai so do

tim mot phan so bang 3/4 va biet neu lay ti so cua phan so do cong voi 5 thi duoc phan so bang phan so 4/5?

tinh 34% cua 27%

Tim mot so biet 35% cua no la 49

Viet so hoac ti so phan tram thich hop

36,96va 42 Ti so phan tram .....

..... va 19 ti so phan tram 27%

324 va ........... ti so phan tram 48%