题目内容

如图,用8块相同的长方形地砖拼成一个矩形,则每个长方形地砖的面积是

····························································································································· (  )

A.200    B.300    C.600   D.2400

 

答案:B
解析:

设长方形地砖的宽为x,则长为3x,4x=80,面积=20*30=600

 


提示:

看图列方程得

 


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