若<img src=https://huaweicloudobs.ahjxjy.cn/B7D986B5A1DFCEC38D5A1B9C16E94AF6.png title=0Y0C9)8D_TVOH@`]YD})5W0.png alt=0Y0C9)8D_TVOH@`]YD})5W0.png/>内可导,且<img src=https://huaweicloudobs.ahjxjy.cn/E491D4CC4595CCC3784ABC19D188F14E.png title=ADP0JBM7W$%VP$1N4ED9`QW.png alt=ADP0JBM7W$%VP$1N4ED9`QW.png/>内的任意两点,则至少存在一点<img src=https://huaweicloudobs.ahjxjy.cn/F40B10F42C8CBFE7CE08A9C7C1FDC622.png title=}0(96%SL[4AMJWOV2SRH0`5.png alt=}0(96%SL[4AMJWOV2SRH0`5.png/>,使下式成立( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/F848A4D19ADEEF340D76CC42B575D2D8.png title=3@@@ET_P$E836WYBU$TDT%D.png alt=3@@@ET_P$E836WYBU$TDT%D.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/A3C9B956A764306B8D8D0F14F1DFE5FC.png style=float: left; title=5N$UW@P`420`}Z4{ZPQPU4O.png alt=5N$UW@P`420`}Z4{ZPQPU4O.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/919DD579F856EECE2CA0502C41F6E67B.png title=A(JK%35G9XFO[]FORZCRY6K.png alt=A(JK%35G9XFO[]FORZCRY6K.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/65021C2CC36C5242C8D63A43D3986661.png title=J]5FMOSBNAHTH(Q100IE(II.png alt=J]5FMOSBNAHTH(Q100IE(II.png/>