如图,顺次连接任意四边形\(ABCD\)各边中点,所得的四边形\(EFGH\)是中点四边形\(.\)下列四个叙述:
\(①\)中点四边形\(EFGH\)一定是平行四边形;\(②\)当四边形\(ABCD\)是矩形时,中点四边形\(EFGH\)也是矩形;\(③\)当中点四边形\(EFGH\)是菱形时,四边形\(ABCD\)是矩形;\(④\)当四边形\(ABCD\)是正方形时,中点四边形\(EFGH\)也是正方形\(.\)其中正确的是________\((\)填序号\()\).
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