• 2022-06-16 问题

    [tex=14.571x1.357]qAC2T6lsdtJ4gKjB6Xccr+cVriMqXdIiowv/yR8PQdRnGSW6mlej8/lxw50/aJmSiO2Jb2o9aHYWTxCpTluB+MxtxBRf2y81I5+NDOAN201vtxXTHZQvZ72trAi3R+yrYzWSEIqBCQc3D3oFdQPVVB7SCkADNq31PyMUGmfO1AI=[/tex]水溶液的质子条件式为:______。

    [tex=14.571x1.357]qAC2T6lsdtJ4gKjB6Xccr+cVriMqXdIiowv/yR8PQdRnGSW6mlej8/lxw50/aJmSiO2Jb2o9aHYWTxCpTluB+MxtxBRf2y81I5+NDOAN201vtxXTHZQvZ72trAi3R+yrYzWSEIqBCQc3D3oFdQPVVB7SCkADNq31PyMUGmfO1AI=[/tex]水溶液的质子条件式为:______。

  • 2022-06-07 问题

    设随机变量[tex=2.071x1.214]DECznGfK85x0gNWlN5ur1A==[/tex]相互独立,且[tex=14.571x1.357]/LWM6FHrBHtLXkTqBfQ+T+E74exgbG67r/x3OOzJ2Gg=[/tex],求[tex=3.071x1.357]c1aySjQo5UvIFhlTAziprQ==[/tex]

    设随机变量[tex=2.071x1.214]DECznGfK85x0gNWlN5ur1A==[/tex]相互独立,且[tex=14.571x1.357]/LWM6FHrBHtLXkTqBfQ+T+E74exgbG67r/x3OOzJ2Gg=[/tex],求[tex=3.071x1.357]c1aySjQo5UvIFhlTAziprQ==[/tex]

  • 2022-06-08 问题

    对下列每对数做带余除法,第一个数是被除数,第二个是除数:[tex=14.571x1.357]+C6OA596NibcYQjdhewT9w6RB+lMhBJmfykw7P/VvFUIv5qfnkOsb5luPNyaL9iu[/tex]

    对下列每对数做带余除法,第一个数是被除数,第二个是除数:[tex=14.571x1.357]+C6OA596NibcYQjdhewT9w6RB+lMhBJmfykw7P/VvFUIv5qfnkOsb5luPNyaL9iu[/tex]

  • 2022-07-28 问题

    应用 Gabriel 合成 法和丙二酸酯合成法相结合的方法合成蛋氨酸[tex=14.571x1.357]Ey50beQBfgaXSsDXOhh+xHxgxBDkJskFortgne4EpfgkV1CCdLy6pTbos7hQtvxzQZIboGrARo/TcX/97uQtfO4NdnXR6vd/FsTabai5AMU=[/tex].

    应用 Gabriel 合成 法和丙二酸酯合成法相结合的方法合成蛋氨酸[tex=14.571x1.357]Ey50beQBfgaXSsDXOhh+xHxgxBDkJskFortgne4EpfgkV1CCdLy6pTbos7hQtvxzQZIboGrARo/TcX/97uQtfO4NdnXR6vd/FsTabai5AMU=[/tex].

  • 2022-06-09 问题

     设A、B为矢量算符,F为标量算符,证明[tex=15.5x1.643]dEdrC9SQsN/3Vx39SaFo4MBPOuf+bI21FcCOnPyXsdJajCeBxKNbkjTeSrf4dlDbCtiIKrnvR4ae6eJyF6uqj1NjXDioqRFD8IEu34p90YewyoRMuVVuJX+eDNzkGRZ+[/tex](1)[tex=14.571x1.357]UxYF7aVFWXVLSUm6TeK2HwR89NuzvGnLlx127JrCnUdbFa/r8UZ4oeGJmOU2zwCNia3UxnUYfh5HCphoyTSWWBfUsj9Al3KI3+jP9+dPuX3uG+8AxaLi2fqazBYYDY6ktw1K9/PHDZ2CJY5n9aSE7HSzbkoW4/1A4pcsQIRUaxQ=[/tex](2)

     设A、B为矢量算符,F为标量算符,证明[tex=15.5x1.643]dEdrC9SQsN/3Vx39SaFo4MBPOuf+bI21FcCOnPyXsdJajCeBxKNbkjTeSrf4dlDbCtiIKrnvR4ae6eJyF6uqj1NjXDioqRFD8IEu34p90YewyoRMuVVuJX+eDNzkGRZ+[/tex](1)[tex=14.571x1.357]UxYF7aVFWXVLSUm6TeK2HwR89NuzvGnLlx127JrCnUdbFa/r8UZ4oeGJmOU2zwCNia3UxnUYfh5HCphoyTSWWBfUsj9Al3KI3+jP9+dPuX3uG+8AxaLi2fqazBYYDY6ktw1K9/PHDZ2CJY5n9aSE7HSzbkoW4/1A4pcsQIRUaxQ=[/tex](2)

  • 2022-06-09 问题

     设A、B为矢量算符,F为标量算符,证明[tex=15.5x1.643]dEdrC9SQsN/3Vx39SaFo4MBPOuf+bI21FcCOnPyXsdJajCeBxKNbkjTeSrf4dlDbCtiIKrnvR4ae6eJyF6uqj1NjXDioqRFD8IEu34p90YewyoRMuVVuJX+eDNzkGRZ+[/tex](1)[tex=14.571x1.357]UxYF7aVFWXVLSUm6TeK2HwR89NuzvGnLlx127JrCnUdbFa/r8UZ4oeGJmOU2zwCNia3UxnUYfh5HCphoyTSWWBfUsj9Al3KI3+jP9+dPuX3uG+8AxaLi2fqazBYYDY6ktw1K9/PHDZ2CJY5n9aSE7HSzbkoW4/1A4pcsQIRUaxQ=[/tex](2)

     设A、B为矢量算符,F为标量算符,证明[tex=15.5x1.643]dEdrC9SQsN/3Vx39SaFo4MBPOuf+bI21FcCOnPyXsdJajCeBxKNbkjTeSrf4dlDbCtiIKrnvR4ae6eJyF6uqj1NjXDioqRFD8IEu34p90YewyoRMuVVuJX+eDNzkGRZ+[/tex](1)[tex=14.571x1.357]UxYF7aVFWXVLSUm6TeK2HwR89NuzvGnLlx127JrCnUdbFa/r8UZ4oeGJmOU2zwCNia3UxnUYfh5HCphoyTSWWBfUsj9Al3KI3+jP9+dPuX3uG+8AxaLi2fqazBYYDY6ktw1K9/PHDZ2CJY5n9aSE7HSzbkoW4/1A4pcsQIRUaxQ=[/tex](2)

  • 2022-06-09 问题

     设A、B为矢量算符,F为标量算符,证明[tex=15.5x1.643]dEdrC9SQsN/3Vx39SaFo4MBPOuf+bI21FcCOnPyXsdJajCeBxKNbkjTeSrf4dlDbCtiIKrnvR4ae6eJyF6uqj1NjXDioqRFD8IEu34p90YewyoRMuVVuJX+eDNzkGRZ+[/tex](1)[tex=14.571x1.357]UxYF7aVFWXVLSUm6TeK2HwR89NuzvGnLlx127JrCnUdbFa/r8UZ4oeGJmOU2zwCNia3UxnUYfh5HCphoyTSWWBfUsj9Al3KI3+jP9+dPuX3uG+8AxaLi2fqazBYYDY6ktw1K9/PHDZ2CJY5n9aSE7HSzbkoW4/1A4pcsQIRUaxQ=[/tex](2)

     设A、B为矢量算符,F为标量算符,证明[tex=15.5x1.643]dEdrC9SQsN/3Vx39SaFo4MBPOuf+bI21FcCOnPyXsdJajCeBxKNbkjTeSrf4dlDbCtiIKrnvR4ae6eJyF6uqj1NjXDioqRFD8IEu34p90YewyoRMuVVuJX+eDNzkGRZ+[/tex](1)[tex=14.571x1.357]UxYF7aVFWXVLSUm6TeK2HwR89NuzvGnLlx127JrCnUdbFa/r8UZ4oeGJmOU2zwCNia3UxnUYfh5HCphoyTSWWBfUsj9Al3KI3+jP9+dPuX3uG+8AxaLi2fqazBYYDY6ktw1K9/PHDZ2CJY5n9aSE7HSzbkoW4/1A4pcsQIRUaxQ=[/tex](2)

  • 2022-06-07 问题

    设随机变量 [tex=0.857x1.0]KGogyvwDAIJf/iL0H/9wjg==[/tex] 与 [tex=0.643x1.0]jDVSpgNhHe+VJmgvx3gg1Q==[/tex] 相互独立, 且 [tex=14.571x1.357]/LWM6FHrBHtLXkTqBfQ+T0BBlv13ChaBMmapIVtBUkA=[/tex]。试求 [tex=3.071x1.357]P2SKStvRsj6Rl74RBCJH6w==[/tex]

    设随机变量 [tex=0.857x1.0]KGogyvwDAIJf/iL0H/9wjg==[/tex] 与 [tex=0.643x1.0]jDVSpgNhHe+VJmgvx3gg1Q==[/tex] 相互独立, 且 [tex=14.571x1.357]/LWM6FHrBHtLXkTqBfQ+T0BBlv13ChaBMmapIVtBUkA=[/tex]。试求 [tex=3.071x1.357]P2SKStvRsj6Rl74RBCJH6w==[/tex]

  • 2022-07-28 问题

    按要求分别合成下列化合物(原料自选):应用[tex=3.286x1.286]DKDhkOsBlqZ7rcCioizSIQ==[/tex]合成法和丙二酸酯合成法相结合的方法合成蛋氨酸[tex=14.571x1.357]Ey50beQBfgaXSsDXOhh+xHxgxBDkJskFortgne4EpfgkV1CCdLy6pTbos7hQtvxzpMulqyY3Tj5Z7oY5854CteNlAFezekHX7ENNQar9/f0=[/tex]。

    按要求分别合成下列化合物(原料自选):应用[tex=3.286x1.286]DKDhkOsBlqZ7rcCioizSIQ==[/tex]合成法和丙二酸酯合成法相结合的方法合成蛋氨酸[tex=14.571x1.357]Ey50beQBfgaXSsDXOhh+xHxgxBDkJskFortgne4EpfgkV1CCdLy6pTbos7hQtvxzpMulqyY3Tj5Z7oY5854CteNlAFezekHX7ENNQar9/f0=[/tex]。

  • 2022-07-26 问题

    试求微分方程初值问题 [tex=4.643x2.429]eHmJ6WkcVxLNZ4Gfz3qUfjfpWMI3CtzWOn7cENy6a6/gTJd4su68vwtNIntdh5Pr[/tex], [tex=3.071x1.357]e6NGHyiTpreotNYAhduJtw==[/tex] 的第一、二次近似解,并按存在唯一解定理讨论在区域 [tex=14.571x1.357]oHPmtk0Q7srt6yQCJkHl/AOt0cVmYXp91QosnUiKNMT2U+tCXx/9Gb72cU8a2VqOpjjh8GOXbHKr+EdOWQyh8qwYFv9ehHtQ56KSwOvD69s=[/tex]中的存在区间和误差估计.

    试求微分方程初值问题 [tex=4.643x2.429]eHmJ6WkcVxLNZ4Gfz3qUfjfpWMI3CtzWOn7cENy6a6/gTJd4su68vwtNIntdh5Pr[/tex], [tex=3.071x1.357]e6NGHyiTpreotNYAhduJtw==[/tex] 的第一、二次近似解,并按存在唯一解定理讨论在区域 [tex=14.571x1.357]oHPmtk0Q7srt6yQCJkHl/AOt0cVmYXp91QosnUiKNMT2U+tCXx/9Gb72cU8a2VqOpjjh8GOXbHKr+EdOWQyh8qwYFv9ehHtQ56KSwOvD69s=[/tex]中的存在区间和误差估计.

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