1、打开需要操作的PPT课件,选择第四章张幻灯片,然后点击上方工具栏中的”插入“。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/91529822720e0cf3a189c7590446f21fbe09aa12?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、在弹出的插入窗口中,点击形状下的倒三角形,进行选择图形。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/738b4710b912c8fc3c837f6ff2039245d6882124?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、在弹出的图形窗口中,将鼠标下拉至底部,在动作按钮中选择”后退或前一项“按钮。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/03087bf40ad162d9a952ebbe1fdfa9ec8b13cdd0?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、然后在第四张幻灯片的右下角将后退或前一项的图形画出来,即按住鼠标左键进行拖动,画出自己认为合适的大小,并移动到自己需要的位置。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/aec379310a55b319db730ad74da98226cefc178d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、在画好图形之后,会自动弹出一个窗口,在在超链接到的选项中选择上一张幻灯片,然后点击确定即可在第四张幻灯片右下角插入一个“上一张”动作按钮,单击之返回上一张幻灯片。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/359b033b5bb5c9ea9ee08841db39b6003af3b305?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)