Các câu hỏi tương tự
hai so co hieu bang 19,5 . biet 75 phan tram so thu nhat bang 60 phan tram so thu hai . vay so thu hai la
hieu cua 2so bang 9,5 tim so lon bien 30 phan tram cua so lon bang 40 phan tram cua so be
biet hieu 2 so bang 60% so be, tong hai so bang 266,5. Tim so lon
tim 2 so co hieu bang 126,8 biet so be bang 60% so lon
tra loi:so lon
so be
hieu cua 2 so bang 60 pham tram so be tong cua 2 so bang 266.5 . tim so lon
tim hai phan so biet tong cua chung bang 17/20 va hieu cua chung bang 7/20
so be
so lon
tim hieu cua hai so biet tong hai so lon nhat co ba chu so khac nhau va so be bang 1/2 so lon
cho hai so biet so be bang 40% tong 2 so hoi so be bang may phan tram so lon
Hieu hai so bang 32.4.Tim hai so do biet rang so be bang 0.1lan so lon