Question

when N is divided by 12,the remainder is 9
when N is divided by 6,the remainder is.......

Answer 1

Dịch: N chia 12 dư 9. Vậy N chia 6 dư bao nhiêu?

Lấy 1 số cụ thể: N = 21 

21 : 12 = 1 (dư 9)

21 : 6 = 3 (dư 3)

Vậy N chia cho 6 dư 3