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Addition
Learn those addition facts quickly! You can do it with practice.
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A
B
9+9
18
8+9
17
7+9
16
6+9
15
5+9
14
4+9
13
3+9
12
2+9
11
1+9
10
0+9
9
9+8
17
8+8
16
7+8
15
6+8
14
5+8
13
4+8
12
3+8
11
2+8
10
1+8
9
0+8
8