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Date: 20-10-2019
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Date: 9-3-2020
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Date: 16-5-2020
619
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The number 24 is equal to (four factorial).
A number puzzle asks to construct 24 in as many ways possible using elementary mathematical operations on three copies of the same digit. Example solutions include
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where the not necessarily elementary "operation" of digit concatenation has been indicated using the symbol , any solution with 2 can be replaced with the trivial substitution , and all occurrences of and can be replaced by , , , , etc.
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علامات بسيطة في جسدك قد تنذر بمرض "قاتل"
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أول صور ثلاثية الأبعاد للغدة الزعترية البشرية
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مكتبة أمّ البنين النسويّة تصدر العدد 212 من مجلّة رياض الزهراء (عليها السلام)
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