Question

2. Упрости выражение:
УМОЛЯЮ СРОЧНО
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Answer 1

(1,25а⁵х⁷) : (5а⁸х⁻⁴)⁻¹ = (1,25а⁵х⁷) : (5⁻¹а⁻⁸х⁴) = (1,25а⁵х⁷) : (1/5а⁻⁸х⁴) =

= 6,25а⁵⁻⁽⁻⁸⁾х⁷⁻⁴ = 6,25а⁵⁺⁸х³ = 6,25а¹³х³.