• 2022-07-27
    用定积分的换元法计算下列积分[tex=7.5x2.786]2IsyRgu6F/sOeO48rmKf9DSoz7x1V9wZ58GvHChBG+QAFzQPJ6JCxzN2HvHq+K2kf7hGZGrzxKA0MkBO2/4p6ra2fk/MU5jf4kSHP1s7Q3o=[/tex]