<img src=https://huaweicloudobs.ahjxjy.cn/D340871BADF524A2AE40AEF0714FAF7D.png title=13-D.png alt=13-D.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/D817112EC3F06D1781F0910FAD2B0F69.png title=13-1.png alt=13-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/D3BF467C6AC3676E838536A146FD2B97.png title=13-2.png alt=13-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B63B1F829F14A699D4E872D698ADF36C.png title=13-3.png alt=13-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/834D93F168D28ACA9060203EDC7F3043.png title=13-4.png alt=13-4.png/>