设<imgwidth="90"height="25"v:shapes="_x0000_i1095"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image084.png">,则<imgwidth="73"height="44"v:shapes="_x0000_i1096"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image112.png">~()
①
<imgwidth="64"height="25"v:shapes="_x0000_i1097"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image113.png">
②
<imgwidth="48"height="21"v:shapes="_x0000_i1098"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image114.png">
③
<imgwidth="80"height="41"v:shapes="_x0000_i1099"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image116.png">
④
<imgwidth="108"height="25"v:shapes="_x0000_i1100"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image117.png">