问题
填空题
将2个边长为4cm的正方形拼成一个长方形,这个长方形的周长是( ),比原来两个正方形的周长之和减少了( )。
答案
24cm;8cm
将2个边长为4cm的正方形拼成一个长方形,这个长方形的周长是( ),比原来两个正方形的周长之和减少了( )。
24cm;8cm
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