Proszę o obliczenie : (₋ ⅙)² * (2⅓)⁻² (1¹/₉)⁻₁ : (1⅔)⁻² Proszę o zapis w postaci jednej potęgi : 3⁷ * 3⁴ = (⅔)⁵ * (⅔)⁵ = 6¹⁵ : 6³ = (-1,2)¹⁴ : (-1,2)¹⁰ = 7¹³ * 7⁻⁴ = 5⁻⁸ * 5⁻⁷ = 4⁶ : 4⁻⁵ = 9⁻³ : 9⁻²³ = (5³)² = (6⁻⁷)³ =

1. (₋ ⅙)² * (2⅓)⁻²= 1/36  * (7/3)⁻²= 1/36 * (3/7)²= = 1/36 * 36/49= 1/49   2. (1¹/₉)⁻₁ : (1⅔)⁻² = 9/10 / (3/5)²= 9/10 / 9/25 = = 9/10 * 25/9 = 2½   3. 3⁷ * 3⁴ = 3¹¹ 4. (⅔)⁵ * (⅔)⁵ = (⅔)¹⁰ 5. 6¹⁵ : 6³ = 6¹² 6. (-1,2)¹⁴ : (-1,2)¹⁰ =  (-1,2)⁴ 7. 7¹³ * 7⁻⁴ = 7 ⁹ 8. 5⁻⁸ * 5⁻⁷ = 5 ⁻¹⁵ 9. 4⁶ : 4⁻⁵ =4¹¹ 10. 9⁻³ : 9⁻²³ =9²⁰ 11. (5³)² = 5⁶ 12. (6⁻⁷)³ = 7 ⁻²¹