Математикалық сауаттылық (Комбинаторика S=n(n-1) S=n(n-1)/2)
Комбинаторика S=n(n-1) S=n(n-1)/2
3 months ago 00:47:47 1
8 months ago 00:24:46 1
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10 months ago 00:19:40 1
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11 months ago 00:16:02 1
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1 year ago 00:39:35 3
2 years ago 00:16:43 1
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2 years ago 01:12:14 1
2 years ago 00:43:38 22
2 years ago 01:35:54 1
