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![[parent]](http://images.planetmath.org:8080/images/uparrow.png)
table of addition up to 12
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(Data Structure)
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Because of the commutative property of addition, it does not matter if the row or the column gives the first operand.
| + |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
| 1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
| 2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
| 3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
| 4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
| 5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
| 6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
| 7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
| 8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
| 9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
| 10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
| 11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
| 12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
It is obvious that the longest northwest to southeast diagonal contains numbers of the form  .
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"table of addition up to 12" is owned by PrimeFan.
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(view preamble)
Cross-references: contains, diagonal, obvious, column, row, addition, property, commutative
This is version 2 of table of addition up to 12, born on 2007-01-19, modified 2007-01-20.
Object id is 8797, canonical name is TableOfAdditionUpTo12.
Accessed 454 times total.
Classification:
| AMS MSC: | 11B25 (Number theory :: Sequences and sets :: Arithmetic progressions) | | | 00A05 (General :: General and miscellaneous specific topics :: General mathematics) | | | 00A06 (General :: General and miscellaneous specific topics :: Mathematics for nonmathematicians ) |
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Pending Errata and Addenda
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