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What is 7x3? 21!

 Dec 18, 2021
 #1
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7 x3 /21 = x3 / 3

 Dec 18, 2021
 #2
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7x^3 / 21!   = 7x^3 / (21* 22!) = x^3 / 22!

Guest Dec 18, 2021

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