Cho cac so8,12,0,12 tinh trung binh cong 4 so tren
Các câu hỏi tương tự
tim so trung binh cong cua cac so 4,6,8,10,12,16,18.em co cach nao tinh nhanh so trung binh cua cac so ten khong
a, Cho cac so : 3 ; 4 ; 5 viet tat ca cac so khac nhau co 3 chu so tren .
b, Tinh nhanh tong cac so vua lap .
c, Tim trung binh cong cua cac so vua lap.
Trung binh cong cua n so la 80,biet mot trong cac so do la 100.Neu bo so 100 thi trung binh cong cac so con lai la 78. Tim n ?
trung binh cong cua N la 80 biet 1 trong nhung so do la 100 . neu bo so 100 thi thi trung binh cong cua cac so con lai la 78 . tim N
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 n so la 80 biet mot so trong do la 100. neu bot di 100 thi trung binh cong cua cac so con lai la 78. tim n
tinh trung binh cong tat ca cac so chan co 2 chu so. hoi trung binh cong co tat ca cac so chan co 2 chu so la
tim so trung binh cong cua cac so le co 3 chu so lon hon 315
tim so trung binh cong cua cac so tu nhien tu 20 den 28