Các câu hỏi tương tự
cho a = 671*99…997+2015(co 99chu so 9).tinh tong cac chu so a
cho m=999...99 (100 chu so 9) va n=777....77(100 chu so 7) tinh tong cac chu so cua m nhan n
cho a =671x99999......997+2015.tinh tong cac chu so cua A
Cho A=671x99...997+2015[thua so 99...997co tat ca 99 chu so 9]Tinh tong cac chu so cua A
cho m =999...99 ; n =777.......77 , tinh tong cac chu so m nhan n
cho day so 1,2,3,...,999.tinh tong cac chu so cua day so do
cho a = 671*999999999999........99999997.dayso tren co 99chu so 9
tong cac chu so cua a la bao nhieu
cho m =999...99 .100chu so 9
n=777....77.100chu so 7
tính tong cac chu so m nhan n
tinh tong cua cac so co 3 chu so cac so deu chia 5 du 3 tinh tong ca so