Question

вычислить 81^ -15 * 27^ -7 : 3 * 9^ -41

Answer 1

81⁻¹⁵×27⁻⁷/(3×9⁻⁴¹)=(3⁴)⁻¹⁵(3³)⁻⁷/(3¹×(3²)⁻⁴¹)=(3⁻⁶⁰×3⁻²¹)/(3¹×3⁻⁸²)=3⁻⁶⁰⁻²¹/3¹⁻⁸²=3⁻⁸¹/3⁻⁸¹=1