Các câu hỏi tương tự
hai so thap phan co tong la 38,18. Neu ta doi dau phay cua so lon sang ben phai mot hang va giu nguyen so be thi tong cua hai so thap phan luc do la 269,93 . Tim hai so thap phan do
mot phan so co tong tu so va mau so la 50 . neu ta bot tu so di 4 don vi thi phan so do =1 . tim phan so da cho
1 .trung binh cong cua hai phan so la 5/12 .neu tang phan so thu nhat gap 2 lan thi trung binh cong cua chung bang 2/3 .tim hai phan so do .
2.trung binh cong cua ba phan so la 13 /36 .neu tang phan so thu nhat gap 2 lan thi trung binh cong cua chung bang 19/36 ,cho biet phan so thu hai lon hon phan so thu ba 1 /12. tim ba phan so do .
Tong cua hai so thấp phan la 1132,12 biet khi chuyen đau phay cua so be sang ben phai mot chu so thi đc so moi so lon gap 3 lan so moi tim hieu hai so thấp phan do ?
Giai nhanh len
Tong hai so thap phan la 63,25 .Neu doi day phay cua so be sang trai mot hang thi hieu so lon va no la 49,5 .Tim so be?
tong cua 2 so tu nhien bang 630.tim so be biet,neu bot so be 19 don vi va them vao so lon di 19 don vi thi so be bang ba phan tu so lon.
Tong hai so thap phan bang 95,28.Neu tang so be len 3 lan,so lon len 2 lan thi duoc hai so co tong bang 199,16.Tim hai so do.
hai so thap phan co hieu la16,5 neu di dau phay ua so lon ang phai 1 hang so a giu nguyen so be thi hieu 2 so la 306,1.tim 2 s thap phan do
hai so thấp Phan co tong 15,83. neu doi dau phay o so be sang phai mot hang roi tru so lon di 0,12. tim hai so do