高晓蓉回答:
高=√(a²-a²/4)=√3a/2;
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读音标,排字母1.[keik]k,a,c,e2.['ru:ie](e要到着)r,u,e,l,r3.[d3i:p]j,p,e,e4.[flaeg](ae是连起的)g,a,l,f5.[beut](e是倒着的)b,o,t,a
【jacket同一类词:_________,___________,_________,________,_________.Autumn同一类词:_________,___________,_________,________,_________.our同一类词:_________,___________,_________,________,_________.dog同一类词:_________,___________,____】