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/usr/share/games/xabacus/Abacus1_2.les is in xmabacus 8.0.2-1.

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0 0 0 0 4
Lesson 1.2: Counting by 2's to 30 for Chinese Abacus
The beads will move at each step with an
appropriate explanation in this window.
Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
2

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
4

Press Space-bar
0 0 0 1 4
Lesson 1.2 Counting by 2's
6
(We're not done yet...)
Press Space-bar
0 0 0 -5 4
Lesson 1.2 Counting by 2's
6
must take away five and...
Press Space-bar
0 1 0 1 4
Lesson 1.2 Counting by 2's
add a bead of value 5 from top deck...
6
Press Space-bar
0 0 0 1 4
Lesson 1.2 Counting by 2's
then add one.
6
Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
8

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
10
Correct but not done yet...
Press Space-bar
0 0 0 -5 4
Lesson 1.2 Counting by 2's
10  ... Hold on...

Press Space-bar
0 1 0 1 4
Lesson 1.2 Counting by 2's
10
Correct but still not done yet...
Press Space-bar
0 1 0 -2 4
Lesson 1.2 Counting by 2's
... Hold on again...
10
Press Space-bar
0 0 1 1 4
Lesson 1.2 Counting by 2's
10
OK now we can move on
Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
12

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
14

Press Space-bar
0 0 0 -4 4
Lesson 1.2 Counting by 2's
16  Taking a short cut
Add 2 by taking away 4 and adding 6
Press Space-bar
0 1 0 1 4
Lesson 1.2 Counting by 2's
Adding 5
16  Continued...
Press Space-bar
0 0 0 1 4
Lesson 1.2 Counting by 2's
Finish adding 6 by adding 1
16
Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
18

Press Space-bar
0 0 0 -3 4
Lesson 1.2 Counting by 2's
20  Taking a short cut
Add 2 by taking away 8 and adding 10
Press Space-bar
0 1 0 -1 4
Lesson 1.2 Counting by 2's
20
Finish taking away 8
Press Space-bar
0 0 1 1 4
Lesson 1.2 Counting by 2's
Now add 10 for
20
Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
22

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
24

Press Space-bar
0 0 0 -4 4
Lesson 1.2 Counting by 2's
26  Remember short cut...

Press Space-bar
0 1 0 1 4
Lesson 1.2 Counting by 2's
26  Still calculating...

Press Space-bar
0 0 0 1 4
Lesson 1.2 Counting by 2's
26

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
28

Press Space-bar
0 0 0 -3 4
Lesson 1.2 Counting by 2's
30  Short cut again...

Press Space-bar
0 1 0 -1 4
Lesson 1.2 Counting by 2's
30  ...  not done yet

Press Space-bar
0 0 1 1 4
Lesson 1.2 Counting by 2's
30  Done!

Press Space-bar