冀教版数学四年级上册第九单元测试卷2及答案
第九单元测试卷一、填一填。(每空2分,共6分) 1、一根木头长15米,要把它平均分成5段,需锯( )下。 2、刘老师走楼梯从一楼到二楼用了8秒。照这样的速度走到七楼,共用( )秒。 3、一个正方形的每条边放有4枚棋子(每个角上各有1枚),四条边上共有( )。二、公正小法官。(4分) 1、植树问题中的间隔数就是间距。 ( ) 2、一个木匠锯一根长6米的木头,一共锯了3下,他一共锯出了4段木头。 ( ) 三、对号入座。(4分) L、在一段公路的两边按树距8米栽树142棵。如果两端都栽, 这条公路长()米。 A. 1628 B. 1216 C.1128 2、一个...
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