2^3*2^5 (7^4)3 4^9: 4^3 a^2*b^5*c^3*a^9*c^2 (a^6*b^7*c^7 - вопрос №42630682325743494325392677638933 от натали19852 04.04.2020 23:35

Question

Алгебра: 2^3*2^5 (7^4)3 4^9: 4^3 a^2*b^5*c^3*a^9*c^2 (a^6*b^7*c^7 : (b^6*a^3*c^8) 9^3*3^7 : 27^2 4^7 : 4^6 8^6*27*2^3*3^2 7^8*49^3 : 7^12

натали19852 · Answer

1) 2³ * 2⁵ = 2³⁺⁵ = 2⁸2)(7⁴)³ = 7¹²3) 4⁹ : 4³ = 4⁹⁻³ = 4⁶4) a² b⁵ c³ a⁹ c² = a²⁺⁹ b⁵ c³⁺² = a¹¹ b⁵ c⁵5) (a⁶ b⁷ c⁷) : (b⁶ a³ c⁸) = a⁶⁻³ b⁷⁻⁶ c⁷⁻⁸ = a³ b c⁻¹ = a³ b                                                                                     c6) 9³ * 3⁷ : 27² = 9³ * 3⁷ : (9*3)² = 9³ * 3⁷ : (9² * 3²) = 9³⁻² * 3⁷⁻² =    =9 * 3⁵ = 3² * 3⁵ = 3²⁺⁵ = 3⁷7) 4⁷ : 4⁶ = 4⁷⁻⁶ = 48) 8⁶ * 27 * 2³ * 3² = (2³)⁶ * 3³ * 2³ * 3² = 2¹⁸⁺³ * 3³⁺² = 2²¹ * 3⁵9) 7⁸ * 49³ : 7¹² = 7⁸ * (7²)³ : 7¹² = 7⁸⁺⁶⁻¹² = 7² =49...