Question

Khi chia số A cho 9 được số thương là số có hai chữa số và số dư là 5.Hỏi phải bớt số A đi bao nhiêu đơn vị để phép chia là phép chia có số dư là 5 và thương giảm đi 1 đơn vị

Answer 1

Phải bớt đi 9 đơn vị vì: 

Thương là số có 2 chữ số nên thương phải là 10 trở lên. Vậy số chia hết cho 9 mà có thương là 10 là: 10x9=90, cũng có thể là 99 nhe bạn. Vậy số A là 90+5=95, nếu bớt 9 đơn vị thì số mới là: 95-9=86, 86:9=9 dư 5

Đáp số: 9

Answer 2

THANK YOU NGUYEN DANG MINH NGHIA

Answer 3

9 đúng 100%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Answer 4

9 là đúng nhất 

k mình nha mình đang bị âm

Answer 5

9 đúng 100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Answer 6

thì ai trả biết là 9 nhưng mà phải có cách làm