Length
5
10
20
30
40
50
100
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Level
2
3
4
5
6
7
8
9
10
11
12
13
14
15
20
50
100
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Animate
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Addition
Subtraction
Multiplication
Division
÷ USA
EU
Simple
Inverted
Long A
Long B
Triplet
Negatives
Parentheses
Absolute value
Focused
×10
×100
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Arithmetic
10 + 2
=
OK
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