/usr/share/games/xabacus/Abacusru2_1.les is in xmabacus 8.0.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | 0 0 0 0 4
Lesson 2.1: Counting down from 19 to 0 for Russian Abacus
The beads will move at each step with an
appropriate explanation in this window.
Press Space-bar to Begin, press q to Exit
0 0 1 1 4
Lesson 2.1: Counting Down
One bead in 10ths column
10
Press Space-bar to Continue
0 0 0 9 4
Lesson 2.1: Counting Down
Plus 4 beads in ones column
19 ok now we are ready to start
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
Move one bead down to get
18
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
17
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
16
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
15
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
14
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
13
Press Space-bar
0 0 0 -1 4
Lesson 2.1: Counting Down
12
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
11
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
10
Press Space-bar to Continue
0 0 1 -1 4
Lesson 2.1: Counting Down
9 Subtract the tens place out
but we are not done yet...
Press Space-bar to Continue
0 0 0 9 4
Lesson 2.1: Counting Down
Adding the 9 in to get
9
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
8
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
7
Press Space-bar
0 0 0 -1 4
Lesson 2.1: Counting Down
6
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
5
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
4
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
3
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
2
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
1
Press Space-bar to Continue
0 0 0 -1 4
Lesson 2.1: Counting Down
0
Done.
Press Space-bar to Continue
0 0 0 0 4
Conclusion:
When subtracting 1 from 10
you take away 10 and add 9.
Press Space-bar
|