由平面体的三视图绘出正等测图<img src="https://file.icve.com.cn/ssykt/366/878/5B9DBBCBF8C9FCADD457764A50F67C92.png"/>
①
<img src="https://file.icve.com.cn/ssykt/51/657/0CCA4628127BB9035E78868CB1036084.png">
②
<img src="https://file.icve.com.cn/ssykt/833/879/D05DBE3541A0220A454C85167A1D40F7.png">
③
<img src="https://file.icve.com.cn/ssykt/204/10/33302BD50FB60CE2F655DC6553EA1245.png">
④
<img src="https://file.icve.com.cn/ssykt/202/432/32A6C346874CA89516DBB2378A520EC1.png">