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2025-01-27 设函数f(x)在区间(-1,1)内有定义,且limfx=0 -
2025-01-27 设函数f(x)在区间(-δ,δ)内有定义 -
2025-01-27 设函数f(x)在区间(0,+∞)内具有二阶导数 -
2025-01-27 设函数fx在区间内有定义,若当x时,恒有 -
2025-01-27 设函数f(x)在(0,+∞)内有界且可导 -
2025-01-27 设f(x)在区间[0,+∞] -
2025-01-27 设函数f(x)在|x|<δ 内有定义且|f(x)|≤x^2 -
2025-01-27 设函数f(x)在区间[a,b]内满足 -
2025-01-27 设f(x)在区间[0,1] -
2025-01-27 设函数fx在|x|<δ内有定义 -
2025-01-27 设函数f(x)在区间(-1,1)内有定义,且limfx=0 -
2025-01-27 设函数f(x)在区间(-δ,δ)内有定义 -
2025-01-27 设函数f(x)在区间(0,+∞)内具有二阶导数 -
2025-01-27 设函数fx在区间内有定义,若当x时,恒有 -
2025-01-27 设函数f(x)在(0,+∞)内有界且可导 -
2025-01-27 设f(x)在区间[0,+∞] -
2025-01-27 设函数f(x)在|x|<δ 内有定义且|f(x)|≤x^2 -
2025-01-27 设函数f(x)在区间[a,b]内满足 -
2025-01-27 设f(x)在区间[0,1] -
2025-01-27 设函数fx在|x|<δ内有定义