Arithmetic mod 7 Flashcards
Practice quickly computing the remainder mod 7 of the sum of two remainders mod 7
1
Q
1+1
A
2
2
Q
1+2
A
3
3
Q
1+3
A
4
4
Q
1+4
A
5
5
Q
1+5
A
6
6
Q
1+6
A
0
7
Q
2+1
A
3
8
Q
2+2
A
4
9
Q
2+3
A
5
10
Q
2+4
A
6
11
Q
2+5
A
0
12
Q
2+6
A
1
13
Q
3+1
A
4
14
Q
3+2
A
5
15
Q
3+3
A
6
16
Q
3+4
A
0
17
Q
3+5
A
1
18
Q
3+6
A
2
19
Q
4+1
A
5
20
Q
4+2
A
6
21
Q
4+3
A
0
22
Q
4+4
A
1
23
Q
4+5
A
2
24
Q
4+6
A
3
25
Q
5+1
A
6
26
Q
5+2
A
0
27
Q
5+3
A
1
28
Q
5+4
A
2
29
Q
5+5
A
3
30
Q
5+6
A
4
31
Q
6+1
A
0
32
Q
6+2
A
1
33
Q
6+3
A
2
34
Q
6+4
A
3
35
Q
6+5
A
4
36
Q
6+6
A
5
