7. log40,5+ logo.252

7. log₄0,5 + log₀,₂₅2

log₄0,5 = log₄(1/2) = log₄2⁻¹ = -1log₄2 = -1log₂²2 = -1/2

log₀,₂₅2 = log₁/₄2 = log₄⁻¹2 = -1log₂²2 = -1/2

Тогда: log₄0,5 + log₀,₂₅2 = -1/2 + (-1/2) = -1

Ответ: -1