what the remainder when 1+11+111+...+1111111111 is divided by 9
The remainder is ....
What is the remainder when 1+11+111+.......+1111111111 is divided by 9 ?
(1+11+111+.......+1 111 111 111) : 9
= [(1 + 1 111 111 111) x 10 : 2] : 9 = 617283951 dư 1
Mình ko biết ai đúng ai sai,bn xem mình làm có đúng ko nhé.
Theo đề bài ta có : 1+11+111+1111+11111+111111+1111111+11111111+111111111+1111111111
= 1x10+9x10+8x100+7x1000+6x10000+5x100000+4x1000000+3x10000000+2x100000000+1x100000000
=10+90+800+7000+60000+500000+4000000+30000000+200000000+100000000=1234567900
Vậy đáp số bằng:1234567900
When N is divided by 12, the remainder is 9. When N is divided by 6, the remainder is…………
when N is divided by 12,the remainder is 9
when N is divided by 6,the remainder is.......
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
When 9^10^11-5^9^10 is divided by 13, the remainder is
When 9^10^11-5^9^10 is divided by 13, the remainder is
1 . A is the set of factor of 12 more than 6 . How many elements does the set A have ?
2 . Find the remainder when 98387 + 1234 is divided by 9 ?
3 . given that b513 is divisible by 9 . what is the value of b ?
4 . find the remainder of 9287 when is it divided by 3
ai nhanh tay làm rùm tớ , tớ sẽ tặng cho 1 tích
Câu 1:Thì mình không biết
Câu 2:0
Câu 3:9
Câu 4:2
câu 1: there is 1 element.
còn lại thì bạn Võ Nguyễn Đăng Khoa làm rồi nha.^_^
A 3 - digit number when divided by 57, the remainder is 27, when divided by 217 the remainder is 60. Find the number.
Call a is the 3-digit number which divied by 57, the remainder is 27, divided by 217, the remainder is 60.
\(\Rightarrow\)a-27\(⋮\)57
\(\Rightarrow\)a-60\(⋮\)217
Because 684 is a multiple of 57 so:
\(\Rightarrow\)a-27-684\(⋮\)57\(\Rightarrow\)a-771\(⋮\)57
Because 651 is a multiple of 217 so:
\(\Rightarrow\)a-60-651\(⋮\)217\(\Rightarrow\)a-771\(⋮\)217
\(\Rightarrow\)a-771 \(\in\)CM(217;57)
\(\Rightarrow\)a-771\(\in\){0;12369;...}
\(\Rightarrow\)a\(\in\){771;13140;...}
Because a is a 3-digit number so a = 771.
The number is 771.
when N is divided by 12 the remainder is 9 when N divided by 6 the remainder is ..
khi N được chia cho 12 còn lại là 9 khi N chia cho 6 phần còn lại là ..........
Question 9:
When X divided by 234, the remainder is the greatest possible remainder and the quotient is 5.
The value of X is
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