[(45/99x66/9)^5)^2:(3/9)^2)^4+(3/9)^5)^7:(5/10x6/9)^11)^3+7/9]^50=1
[(45/99x66/9)^5)^2:(3/9)^2)^4+(3/9)^5)^7:(5/10x6/9)^11)^3+7/9]^50=1
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