2013年小学三年级趣味数学思维能力测试题

<div style="text-align: center;"><span style="font-family: 黑体;"><font color="#ff0000">小学趣味数学思维能力测试题</font></span></div><div style="text-align: center;"><font color="#ff0000"><br></font></div><span style=" font-family: 黑体;"><div style="text-align: center;"><font color="#ff0000">三<span style="font-family: ‘Times New Roman‘;">&nbsp;</span>年<span style="font-family: ‘Times New Roman‘;">&nbsp;</span>级<span style="font-family: ‘Times New Roman‘;">&nbsp;</span>数<span style="font-family: ‘Times New Roman‘;">&nbsp;</span>学</font></div></span><div style="text-align: center;"><br></div><span style=" font-family: 楷体_GB2312;"><div style="text-align: center;">总分100分,实得分:<span style="text-decoration: underline;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span></div></span><div style="text-align: center;"><br></div><span style="font-weight: bold; font-family: 黑体;">一、用自己喜欢的方法计算。(7×4=28分)</span><span style="font-weight: bold; font-family: 宋体;"></span><br><br><span>1、201</span><span>3×9+2013</span><span>=(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>2、</span><span>1+2+3+……+</span><span>27</span><span>+</span><span>28</span><span>+</span><span>29</span><span>+</span><span>30=(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>3、125×111×5×8×2=(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>4、</span><span>17÷7-10÷7</span><span>=(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span>xK&nbsp;b1.Co&nbsp;&nbsp;m</span><br><br><span style="font-weight: bold; font-family: 黑体;">二、奇思妙想,相信你最棒(</span><span style="font-weight: bold; font-family: 黑体;">6×12=</span><span style="font-weight: bold; font-family: 黑体;">72分)</span><span style="font-weight: bold; font-family: 黑体;"></span><br><br><span>1、</span><span>&nbsp;</span><span>把1~7这七个数填入“人字”图的七个圆圈内,使每条线上3个数的和都等于14,见右图。</span><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2013/0520/2013520162943.png?m=0.6291714659892023"><br><br><span>2、数一数,下图中共有(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)个平行四边形?</span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0520/2013520163012.png?m=0.3419407452456653"><br><br><span>3、&nbsp;17根火柴排成6个小正方形(见右图),请拿走6根,成为3个小正方形。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0520/2013520163031.png?m=0.004467940889298916"><br><br><span>4、移3个豆,使三角形方向正好相反,</span><span>怎么移?见右图。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0520/2013520163055.png?m=0.8397545015905052"><br><br><span>5、</span><span>有一本书,小华第一天看了2页,</span><span>以后每一天都比前一天多看2页,</span><span>第4天看了</span><span>(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span>页</span><span>。</span><br><br><span>6、&nbsp;如右图所示,一个大长方体的表面上都涂上红色,然后切成18个小立方体(切线如图中虚线所示),在这些切成的小立方体中,问:</span><span>&nbsp;</span></div><div><span><br></span></div><div><img src="//www.szxuexiao.com/uploadimages/2013/0520/2013520163137.png?m=0.9700627836864442"><br></div><div><span><br></span></div><div><span>(1)1面涂成红色的有(&nbsp;&nbsp;&nbsp;&nbsp;)个;</span><br><br><span>(2)2面涂成红色的有(&nbsp;&nbsp;&nbsp;&nbsp;)个;</span><br><br><span>(3)3面涂成红色的有(&nbsp;&nbsp;&nbsp;&nbsp;)个。</span><span>&nbsp;</span><br><br><span>7、</span><span>有同样大小的红、白、黑三种球共1</span><span>0</span><span>0个,现在按5个红的、3个白的、1个黑的顺序排列起来。在这1</span><span>0</span><span>0个球中,红</span><span>球有(&nbsp;&nbsp;&nbsp;)个、白球有(&nbsp;&nbsp;&nbsp;)个、黑球有(&nbsp;&nbsp;&nbsp;)个。</span><br><br><span>8、</span><span>甲、乙、丙、丁四个数的平均数为20,若把其中一个数改为30,则这四个数的平均</span><span>数</span><span>为25,这个数原来是</span><span>(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>9、</span><span>从甲地到丁地需要经过乙地和丙地,已知甲、丙两地相距1200米,乙、丁两地相距1700米,甲、丁两地相距2300米,乙、丙两地相距</span><span>(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span>米</span><span>。</span><span>&nbsp;&nbsp;&nbsp;</span><br><br><span>10、</span><span>某车间有50名工人,车间组织活动,参加划船的有34人,参加游泳的有28人,车间有</span><span>(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span>人两项活动都参加</span><span>。</span><br><br><span>11、一根木料锯成3段要6分钟。如果每次锯的时间相同,那么锯成6段要(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)分钟。</span><br><br><span>12、在一块正方形场地四周种树,每边都种10棵,并且四个顶点都种有一棵树。这个场地四周共种树(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)棵。</span><br></div>