Question

помогите пж))))) 32233

Answer 1

49^5 × 7^12 / 343^7 = ( 7^2) ^5 × 7^12 / (7^3)^7 = 7^10 × 7^12 / 7^21 = 7^ 22 / 7^21 = 7 ответ 7
81 х ^5 у × (1/3 ху^2)^3=81 х^5 у× 1/3 х^3у^6= 81х^8у^7×1/3 =27х^8у^7