• 2022-06-15
    用换元积分法求不定积分:[tex=7.357x2.714]7q2q65BbYYeA+0NVY5kbGw4nuvXsi0csecRFt4qVo5TaaTNf70m5x7u6oiWLBYDjBrslNetlP5PoycluOi4sA3C0iAvXWc4iE/OT94dzmbQ=[/tex]。