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5^4-((2-9^4)/(2^4))-3 = 0
625-((2-9^4)/(2^4))-3 = 0
625-((2-6561)/(2^4))-3 = 0
625-(-6559/(2^4))-3 = 0
625-(-6559/16)-3 = 0
6559/16-3+625 = 0
16559/16-3 = 0
16511/16 = 0
L <> R
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