5^-3 * 27 * 125^-5 / 3^-2 * 81^2 * 9y^-3
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5^-3 * 27 * 125^-5/3^-2 * 81^2 * 9y^-3 =
1/5^3 * 27 * 1/125^5/ 1/3^2 * 6561 * 1/9^3 =
1/125 * 27 * 1/3051757125/ 1/9 * 6561 1/27 =
27/3814697265625 / 6561/243 =
27/3814697265625 / 27 =
27/3814697265625 / 1/27 =
1/3814697265625 =
3814697265625^-1
1/5^3 * 27 * 1/125^5/ 1/3^2 * 6561 * 1/9^3 =
1/125 * 27 * 1/3051757125/ 1/9 * 6561 1/27 =
27/3814697265625 / 6561/243 =
27/3814697265625 / 27 =
27/3814697265625 / 1/27 =
1/3814697265625 =
3814697265625^-1
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