User:Jiang147369
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Proof of 9 + 10 = 21
Credits to John Hush for the proof of and the proof of
Prove:
Proof:
Left side
Therefore, .
Prove:
Proof:
Let
Therefore, .
By the Transitive Property,
Prove:
Proof:
Therefore,
Contributions
Here is a list of my AoPS Wiki contributions.