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Level 19

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15 words 0 ignored

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Ignore words

Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.

All None

Ignore?
7 + 9 =
16
8 + 9 =
17
9 + 9 =
18
10 + 9 =
19
11 + 9 =
20
1 + 10 =
11
2 + 10 =
12
17 - 9 =
8
18 - 9 =
9
19 - 9 =
10
20 - 9 =
11
10 - 10 =
0
11 - 10 =
1
12 - 10 =
2
13 - 10 =
3