Các câu hỏi tương tự
cho ba so biet trung binh cong cua so thu nhat va so thu hai bang 239 trung binh cong cua so thu 2 va so thu 3 la 248 trung binh cong cua so thu ba va so thu nhat la 295.tim so thu ba
trung binh cong cua ba so la 39.So thu nhat bang 2 phan 5 so thu hai so thu ba hon so thu nhat la 9. Tim ba so do
trung binh cong cua cac so le tu 10 den 20
trung binh cong cua ba so la 36 biet so thu nhat la 45 so thu hai bang 1/3 so thu nhat tim so thu 3
trung binh cong cua 3 so la 90 . Tim moi so ,biet 1/2 so thu nhat bang 1/3 so thu 2 , so thu ba gap hai lan so thu nhat
trung binh cong cua 3 so la 650. biet so thu nhat bang so lon nhat co 3 chu so so thu hai bang so thu nhat .tim so thu 3
giup minh
tim trung binh cong cua 3 so bang so lon nhat co hai chu so,biet so thu nhat bang so thu hai va bang 78, tim so thu ba
trung binh cong cua ba sola so lon nhat co hai chu so tim moi so do biet so thu nhat bang mot phan nam so thu hai so thu ba bang trung binh cong hai so dau
Trung binh cong cua hai so bang 42.Tim hai so do ,biet rang so thu nhat hon so thu hai la 14
So trung binh cong cua 3so= 105. Biet so thu nhat bang 65, so thu 2 gap 2lan so thu nhat. Tim so thu ba.