• 2021-04-14 问题

    数据3.21450保留4位有效数字,按照修约规则的结果是3.214

    数据3.21450保留4位有效数字,按照修约规则的结果是3.214

  • 2022-05-29 问题

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

  • 2022-06-05 问题

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

  • 2022-06-12 问题

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

  • 2022-06-16 问题

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

  • 2022-06-04 问题

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

  • 2022-07-26 问题

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

  • 2022-07-24 问题

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

  • 2022-07-28 问题

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

    均方误差的公式为 未知类型:{'options': ['[tex=6.929x3.214]smqgl8O3PRVEBLAZpX7oxfXi0Zkh7IQ3tkF5QXncLaGBHAWchgBHUxN1KK2TrHobdr0EzZFINjJecWCgYtgm7t9jsUpnXh+9zc8qxs9rspU=[/tex]', '[tex=4.643x2.429]smqgl8O3PRVEBLAZpX7oxV8osh4D7cTKvmT+nj/H3WGs+KI42fl2+z+Fv5dmQVQBfiJEJ/BUeN5ufv5rrJ/UIw==[/tex]', '[tex=6.214x2.643]U2zNncHvdIGkuydjUdTBwIynoSWBun5BI7JDY/sCBoybznfIZFQZIAlCIaP2FIlIJAmH6l44vv/x6YY2nEg4pw==[/tex]', '[tex=5.643x2.5]U2zNncHvdIGkuydjUdTBwCSzFqKkXMn2td5fK5kqloo50nyaWWkjzS1FmxlxKAfJcv4RXmtmslXwsVOi2LsWfg==[/tex]'], 'type': 102}

  • 2022-06-30 问题

    下列变量组()是一个闭回路。 A: {x,x,x,x,x,x} B: {x,x,x,x,x} C: {x,x,x,x,x,x} D: {x,x,x,x,x,x}

    下列变量组()是一个闭回路。 A: {x,x,x,x,x,x} B: {x,x,x,x,x} C: {x,x,x,x,x,x} D: {x,x,x,x,x,x}

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