Numerateurs:Denominateurs
1:1 1:2 1:3 1:4 1:5 (...)
| /
| /
|/
2:1 2:2 2:3 2:4 2:5 (...)
3:1 3:2 3:3 3:4 3:5 (...)
4:1 4:2 4:3 4:4 4:5 (...)
5:1 5:2 5:3 5:4 5:5 (...)
. . . .
. . . .
. . . .
(...)
{1/1, 2/1, 1/2, }
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| 1/1 2/1 1/2 |
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| | |
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| 1 2 3 |
| |
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JFC
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